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40215151080 = 233351310327809
BaseRepresentation
bin100101011101000000…
…101000000111101000
310211210122220100022000
4211131000220013220
51124330034313310
630250302131000
72622366100266
oct453500500750
9124718810260
1040215151080
111606744a255
127963b80a60
133a3b812bb0
141d36db5436
1510a58354c0
hex95d0281e8

40215151080 has 256 divisors, whose sum is σ = 145768896000. Its totient is φ = 9802653696.

The previous prime is 40215151051. The next prime is 40215151147. The reversal of 40215151080 is 8015151204.

40215151080 is a `hidden beast` number, since 4 + 0 + 21 + 51 + 510 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1432216 + ... + 1460024.

It is an arithmetic number, because the mean of its divisors is an integer number (569409750).

Almost surely, 240215151080 is an apocalyptic number.

40215151080 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 40215151080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72884448000).

40215151080 is an abundant number, since it is smaller than the sum of its proper divisors (105553744920).

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

40215151080 is a wasteful number, since it uses less digits than its factorization.

40215151080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27945 (or 27935 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The spelling of 40215151080 in words is "forty billion, two hundred fifteen million, one hundred fifty-one thousand, eighty".