40625994026 has 4 divisors (see below), whose sum is σ = 60938991042. Its totient is φ = 20312997012.

The previous prime is 40625994011. The next prime is 40625994113. The reversal of 40625994026 is 62049952604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36750807025 + 3875187001 = 191705^2 + 62251^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156498505 + ... + 10156498508.

Almost surely, 2^40625994026 is an apocalyptic number.

40625994026 is a deficient number, since it is larger than the sum of its proper divisors (20312997016).

40625994026 is a wasteful number, since it uses less digits than its factorization.

40625994026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312997015.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 40625994026 in words is "forty billion, six hundred twenty-five million, nine hundred ninety-four thousand, twenty-six".