25500541400 has 48 divisors (see below), whose sum is σ = 59336436600. Its totient is φ = 10192014080.

The previous prime is 25500541387. The next prime is 25500541427. The reversal of 25500541400 is 414500552.

It is a super-2 number, since 2×25500541400² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25500541400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201164 + ... + 302436.

Almost surely, 2^25500541400 is an apocalyptic number.

25500541400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25500541400 is an abundant number, since it is smaller than the sum of its proper divisors (33835895200).

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

25500541400 is a wasteful number, since it uses less digits than its factorization.

25500541400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102548 (or 102539 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 25500541400 in words is "twenty-five billion, five hundred million, five hundred forty-one thousand, four hundred".