40017506421036 has 96 divisors (see below), whose sum is σ = 94612177820160. Its totient is φ = 13163159291904.

The previous prime is 40017506421017. The next prime is 40017506421059. The reversal of 40017506421036 is 63012460571004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40017506420985 and 40017506421003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716964666 + ... + 717020478.

It is an arithmetic number, because the mean of its divisors is an integer number (985543518960).

Almost surely, 2^{40017506421036} is an apocalyptic number.

It is an amenable number.

40017506421036 is an abundant number, since it is smaller than the sum of its proper divisors (54594671399124).

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

40017506421036 is a wasteful number, since it uses less digits than its factorization.

40017506421036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57703 (or 57701 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 40017506421036 in words is "forty trillion, seventeen billion, five hundred six million, four hundred twenty-one thousand, thirty-six".