25604201400 has 96 divisors (see below), whose sum is σ = 79416129840. Its totient is φ = 6824079360.

The previous prime is 25604201377. The next prime is 25604201407. The reversal of 25604201400 is 410240652.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604201407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1199622 + ... + 1220778.

Almost surely, 2^25604201400 is an apocalyptic number.

25604201400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25604201400 is an abundant number, since it is smaller than the sum of its proper divisors (53811928440).

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

25604201400 is a wasteful number, since it uses less digits than its factorization.

25604201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23193 (or 23184 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 25604201400 in words is "twenty-five billion, six hundred four million, two hundred one thousand, four hundred".