40255267642 has 16 divisors (see below), whose sum is σ = 61254069480. Its totient is φ = 19838672128.

The previous prime is 40255267631. The next prime is 40255267693. The reversal of 40255267642 is 24676255204.

It can be written as a sum of positive squares in 4 ways, for example, as 22658979841 + 17596287801 = 150529^2 + 132651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300283 + ... + 413134.

Almost surely, 2^40255267642 is an apocalyptic number.

40255267642 is a deficient number, since it is larger than the sum of its proper divisors (20998801838).

40255267642 is a wasteful number, since it uses less digits than its factorization.

40255267642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713825.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 40255267642 in words is "forty billion, two hundred fifty-five million, two hundred sixty-seven thousand, six hundred forty-two".