10400025425 has 12 divisors (see below), whose sum is σ = 12946218636. Its totient is φ = 8287641600.

The previous prime is 10400025371. The next prime is 10400025509. The reversal of 10400025425 is 52452000401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 359785024 + 10040240401 = 18968^2 + 100201^2 .

It is not a de Polignac number, because 10400025425 - 2²⁸ = 10131589969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10400025425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802916 + ... + 815765.

It is an arithmetic number, because the mean of its divisors is an integer number (1078851553).

Almost surely, 2^10400025425 is an apocalyptic number.

It is an amenable number.

10400025425 is a deficient number, since it is larger than the sum of its proper divisors (2546193211).

10400025425 is a wasteful number, since it uses less digits than its factorization.

10400025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618948 (or 1618943 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 10400025425 its reverse (52452000401), we get a palindrome (62852025826).

The spelling of 10400025425 in words is "ten billion, four hundred million, twenty-five thousand, four hundred twenty-five".