25400038930 has 16 divisors (see below), whose sum is σ = 52251508800. Its totient is φ = 8708584752.

The previous prime is 25400038903. The next prime is 25400038957. The reversal of 25400038930 is 3983000452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25400038903) and next prime (25400038957).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181428780 + ... + 181428919.

It is an arithmetic number, because the mean of its divisors is an integer number (3265719300).

Almost surely, 2^25400038930 is an apocalyptic number.

25400038930 is an abundant number, since it is smaller than the sum of its proper divisors (26851469870).

25400038930 is a wasteful number, since it uses less digits than its factorization.

25400038930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362857713.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 25400038930 in words is "twenty-five billion, four hundred million, thirty-eight thousand, nine hundred thirty".