40124520325 has 12 divisors (see below), whose sum is σ = 49795125408. Its totient is φ = 32073345200.

The previous prime is 40124520311. The next prime is 40124520343. The reversal of 40124520325 is 52302542104.

It is a de Polignac number, because none of the positive numbers 2^k-40124520325 is a prime.

It is a super-2 number, since 2×40124520325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40124520293 and 40124520302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625591 + ... + 686740.

It is an arithmetic number, because the mean of its divisors is an integer number (4149593784).

Almost surely, 2^40124520325 is an apocalyptic number.

It is an amenable number.

40124520325 is a deficient number, since it is larger than the sum of its proper divisors (9670605083).

40124520325 is a wasteful number, since it uses less digits than its factorization.

40124520325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313564 (or 1313559 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 40124520325 in words is "forty billion, one hundred twenty-four million, five hundred twenty thousand, three hundred twenty-five".