34402120425 has 18 divisors (see below), whose sum is σ = 61618020542. Its totient is φ = 18347797440.

The previous prime is 34402120411. The next prime is 34402120463. The reversal of 34402120425 is 52402120443.

34402120425 is a `hidden beast` number, since 3 + 440 + 212 + 0 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 503418969 + 33898701456 = 22437^2 + 184116^2 .

It is not a de Polignac number, because 34402120425 - 2⁴ = 34402120409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76448932 + ... + 76449381.

Almost surely, 2^34402120425 is an apocalyptic number.

It is an amenable number.

34402120425 is a deficient number, since it is larger than the sum of its proper divisors (27215900117).

34402120425 is a wasteful number, since it uses less digits than its factorization.

34402120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152898329 (or 152898321 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 34402120425 its reverse (52402120443), we get a palindrome (86804240868).

The spelling of 34402120425 in words is "thirty-four billion, four hundred two million, one hundred twenty thousand, four hundred twenty-five".