40628259725 has 24 divisors (see below), whose sum is σ = 52769515392. Its totient is φ = 30971124800.

The previous prime is 40628259653. The next prime is 40628259757. The reversal of 40628259725 is 52795282604.

It is not a de Polignac number, because 40628259725 - 2²² = 40624065421 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16895 + ... + 285555.

It is an arithmetic number, because the mean of its divisors is an integer number (2198729808).

Almost surely, 2^40628259725 is an apocalyptic number.

It is an amenable number.

40628259725 is a deficient number, since it is larger than the sum of its proper divisors (12141255667).

40628259725 is a wasteful number, since it uses less digits than its factorization.

40628259725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268957 (or 268952 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 40628259725 in words is "forty billion, six hundred twenty-eight million, two hundred fifty-nine thousand, seven hundred twenty-five".