40371256612 has 12 divisors (see below), whose sum is σ = 71349201756. Its totient is φ = 19985770400.

The previous prime is 40371256603. The next prime is 40371256637. The reversal of 40371256612 is 21665217304.

It can be written as a sum of positive squares in 2 ways, for example, as 28188395236 + 12182861376 = 167894^2 + 110376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49964023 + ... + 49964830.

It is an arithmetic number, because the mean of its divisors is an integer number (5945766813).

Almost surely, 2^40371256612 is an apocalyptic number.

It is an amenable number.

40371256612 is a deficient number, since it is larger than the sum of its proper divisors (30977945144).

40371256612 is a wasteful number, since it uses less digits than its factorization.

40371256612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99928958 (or 99928956 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 40371256612 in words is "forty billion, three hundred seventy-one million, two hundred fifty-six thousand, six hundred twelve".