40345355125025 has 24 divisors (see below), whose sum is σ = 54202963582944. Its totient is φ = 29671221484800.

The previous prime is 40345355125001. The next prime is 40345355125091. The reversal of 40345355125025 is 52052155354304.

It is not a de Polignac number, because 40345355125025 - 2⁸ = 40345355124769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103821811 + ... + 1103858360.

It is an arithmetic number, because the mean of its divisors is an integer number (2258456815956).

Almost surely, 2^{40345355125025} is an apocalyptic number.

It is an amenable number.

40345355125025 is a deficient number, since it is larger than the sum of its proper divisors (13857608457919).

40345355125025 is a wasteful number, since it uses less digits than its factorization.

40345355125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207680241 (or 2207680236 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 40345355125025 in words is "forty trillion, three hundred forty-five billion, three hundred fifty-five million, one hundred twenty-five thousand, twenty-five".