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40020272047080 = 2336513677122193
BaseRepresentation
bin10010001100101111100100…
…00110010110001111101000
312020200220022120100201000000
421012113302012112033220
520221143004121001310
6221041020440343000
711300240435435553
oct1106276206261750
9166626276321000
1040020272047080
111182a558276096
1245a4244174a60
131943b84433bb0
149c4dc497969a
154960447c44c0
hex2465f21963e8

40020272047080 has 896 divisors, whose sum is σ = 149646890776320. Its totient is φ = 9567003156480.

The previous prime is 40020272047043. The next prime is 40020272047103. The reversal of 40020272047080 is 8074027202004.

40020272047080 is a `hidden beast` number, since 40 + 0 + 2 + 0 + 2 + 72 + 0 + 470 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1803272464 + ... + 1803294656.

It is an arithmetic number, because the mean of its divisors is an integer number (167016619170).

Almost surely, 240020272047080 is an apocalyptic number.

40020272047080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40020272047080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74823445388160).

40020272047080 is an abundant number, since it is smaller than the sum of its proper divisors (109626618729240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40020272047080 is a wasteful number, since it uses less digits than its factorization.

40020272047080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22373 (or 22354 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

Adding to 40020272047080 its reverse (8074027202004), we get a palindrome (48094299249084).

The spelling of 40020272047080 in words is "forty trillion, twenty billion, two hundred seventy-two million, forty-seven thousand, eighty".