25120030404 has 48 divisors (see below), whose sum is σ = 68412008448. Its totient is φ = 7024445088.

The previous prime is 25120030387. The next prime is 25120030423. The reversal of 25120030404 is 40403002152.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3177414 + ... + 3185309.

It is an arithmetic number, because the mean of its divisors is an integer number (1425250176).

Almost surely, 2^25120030404 is an apocalyptic number.

It is an amenable number.

25120030404 is an abundant number, since it is smaller than the sum of its proper divisors (43291978044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25120030404 is a wasteful number, since it uses less digits than its factorization.

25120030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362784 (or 6362782 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 25120030404 its reverse (40403002152), we get a palindrome (65523032556).

The spelling of 25120030404 in words is "twenty-five billion, one hundred twenty million, thirty thousand, four hundred four".