40050406900856 has 16 divisors (see below), whose sum is σ = 81921286842840. Its totient is φ = 18204730409440.

The previous prime is 40050406900853. The next prime is 40050406900943. The reversal of 40050406900856 is 65800960405004.

It is a super-2 number, since 2×40050406900856² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40050406900856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050406900853) 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, 227559130031 + ... + 227559130206.

Almost surely, 2^{40050406900856} is an apocalyptic number.

It is an amenable number.

40050406900856 is an abundant number, since it is smaller than the sum of its proper divisors (41870879941984).

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

40050406900856 is a wasteful number, since it uses less digits than its factorization.

40050406900856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455118260254 (or 455118260250 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 40050406900856 in words is "forty trillion, fifty billion, four hundred six million, nine hundred thousand, eight hundred fifty-six".