40004023261376 has 28 divisors (see below), whose sum is σ = 80339405159832. Its totient is φ = 19761023536128.

The previous prime is 40004023261337. The next prime is 40004023261379. The reversal of 40004023261376 is 67316232040004.

It is a super-2 number, since 2×40004023261376² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40004023261379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765433625 + ... + 3765444248.

It is an arithmetic number, because the mean of its divisors is an integer number (2869264469994).

Almost surely, 2^{40004023261376} is an apocalyptic number.

It is an amenable number.

40004023261376 is an abundant number, since it is smaller than the sum of its proper divisors (40335381898456).

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

40004023261376 is an equidigital number, since it uses as much as digits as its factorization.

40004023261376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530877968 (or 7530877958 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 40004023261376 in words is "forty trillion, four billion, twenty-three million, two hundred sixty-one thousand, three hundred seventy-six".