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40318212480 = 27357132379127
BaseRepresentation
bin100101100011001001…
…110001100110000000
310212001211211101221220
4211203021301212000
51130032430244410
630304423115040
72625060102660
oct454311614600
9125054741856
1040318212480
111610a641867
1279925a2a80
133a56c88c80
141d469621a0
1510ae8e2070
hex963271980

40318212480 has 1024 divisors, whose sum is σ = 168453734400. Its totient is φ = 7970586624.

The previous prime is 40318212463. The next prime is 40318212491. The reversal of 40318212480 is 8421281304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 317466177 + ... + 317466303.

It is an arithmetic number, because the mean of its divisors is an integer number (164505600).

Almost surely, 240318212480 is an apocalyptic number.

40318212480 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 40318212480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84226867200).

40318212480 is an abundant number, since it is smaller than the sum of its proper divisors (128135521920).

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

40318212480 is a wasteful number, since it uses less digits than its factorization.

40318212480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

Adding to 40318212480 its reverse (8421281304), we get a palindrome (48739493784).

The spelling of 40318212480 in words is "forty billion, three hundred eighteen million, two hundred twelve thousand, four hundred eighty".