40434520626 has 64 divisors (see below), whose sum is σ = 90478080000. Its totient is φ = 13384793808.

The previous prime is 40434520613. The next prime is 40434520691. The reversal of 40434520626 is 62602543404.

40434520626 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 4 + 5 + 20 + 626 = 666.

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, 18025861 + ... + 18028103.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720000).

Almost surely, 2^40434520626 is an apocalyptic number.

40434520626 is an abundant number, since it is smaller than the sum of its proper divisors (50043559374).

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

40434520626 is a wasteful number, since it uses less digits than its factorization.

40434520626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 40434520626 in words is "forty billion, four hundred thirty-four million, five hundred twenty thousand, six hundred twenty-six".