25074902428 has 6 divisors (see below), whose sum is σ = 43881079256. Its totient is φ = 12537451212.

The previous prime is 25074902417. The next prime is 25074902443. The reversal of 25074902428 is 82420947052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134362800 + ... + 3134362807.

Almost surely, 2^25074902428 is an apocalyptic number.

It is an amenable number.

25074902428 is a deficient number, since it is larger than the sum of its proper divisors (18806176828).

25074902428 is a wasteful number, since it uses less digits than its factorization.

25074902428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268725611 (or 6268725609 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 25074902428 in words is "twenty-five billion, seventy-four million, nine hundred two thousand, four hundred twenty-eight".