40858556850 has 36 divisors (see below), whose sum is σ = 109773323946. Its totient is φ = 10895615040.

The previous prime is 40858556813. The next prime is 40858556873. The reversal of 40858556850 is 5865585804.

40858556850 is a `hidden beast` number, since 4 + 0 + 8 + 5 + 8 + 556 + 85 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 35389510641 + 5469046209 = 188121^2 + 73953^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45397947 + ... + 45398846.

Almost surely, 2^40858556850 is an apocalyptic number.

40858556850 is an abundant number, since it is smaller than the sum of its proper divisors (68914767096).

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

40858556850 is a wasteful number, since it uses less digits than its factorization.

40858556850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90796811 (or 90796803 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 54.

The spelling of 40858556850 in words is "forty billion, eight hundred fifty-eight million, five hundred fifty-six thousand, eight hundred fifty".