40039871275 has 6 divisors (see below), whose sum is σ = 49649440412. Its totient is φ = 32031897000.

The previous prime is 40039871243. The next prime is 40039871297. The reversal of 40039871275 is 57217893004.

It is not a de Polignac number, because 40039871275 - 2⁵ = 40039871243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800797401 + ... + 800797450.

Almost surely, 2^40039871275 is an apocalyptic number.

40039871275 is a deficient number, since it is larger than the sum of its proper divisors (9609569137).

40039871275 is a wasteful number, since it uses less digits than its factorization.

40039871275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601594861 (or 1601594856 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 40039871275 in words is "forty billion, thirty-nine million, eight hundred seventy-one thousand, two hundred seventy-five".