40016717928 has 384 divisors, whose sum is σ = 130316342400. Its totient is φ = 11280384000.

The previous prime is 40016717887. The next prime is 40016717933. The reversal of 40016717928 is 82971761004.

It is a happy number.

It is a super-2 number, since 2×40016717928² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69352776 + ... + 69353352.

It is an arithmetic number, because the mean of its divisors is an integer number (339365475).

Almost surely, 2^40016717928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40016717928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65158171200).

40016717928 is an abundant number, since it is smaller than the sum of its proper divisors (90299624472).

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

40016717928 is a wasteful number, since it uses less digits than its factorization.

40016717928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 40016717928 in words is "forty billion, sixteen million, seven hundred seventeen thousand, nine hundred twenty-eight".