40250140836 has 24 divisors (see below), whose sum is σ = 93928860480. Its totient is φ = 13415018592.

The previous prime is 40250140813. The next prime is 40250140849. The reversal of 40250140836 is 63804105204.

It is a junction number, because it is equal to n+sod(n) for n = 40250140797 and 40250140806.

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, 111016 + ... + 304671.

It is an arithmetic number, because the mean of its divisors is an integer number (3913702520).

Almost surely, 2^40250140836 is an apocalyptic number.

It is an amenable number.

40250140836 is an abundant number, since it is smaller than the sum of its proper divisors (53678719644).

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

40250140836 is a wasteful number, since it uses less digits than its factorization.

40250140836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423763 (or 423761 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40250140836 in words is "forty billion, two hundred fifty million, one hundred forty thousand, eight hundred thirty-six".