40168017296 has 40 divisors (see below), whose sum is σ = 84914949024. Its totient is φ = 18255100160.

The previous prime is 40168017277. The next prime is 40168017313. The reversal of 40168017296 is 69271086104.

It is a super-2 number, since 2×40168017296² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266140 + ... + 1297476.

Almost surely, 2^40168017296 is an apocalyptic number.

It is an amenable number.

40168017296 is an abundant number, since it is smaller than the sum of its proper divisors (44746931728).

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

40168017296 is a wasteful number, since it uses less digits than its factorization.

40168017296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38639 (or 38633 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 40168017296 in words is "forty billion, one hundred sixty-eight million, seventeen thousand, two hundred ninety-six".