5261004400 has 30 divisors (see below), whose sum is σ = 12639564032. Its totient is φ = 2104401600.

The previous prime is 5261004313. The next prime is 5261004407. The reversal of 5261004400 is 44001625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261004407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6575856 + ... + 6576655.

Almost surely, 2^5261004400 is an apocalyptic number.

5261004400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5261004400 is an abundant number, since it is smaller than the sum of its proper divisors (7378559632).

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

5261004400 is a wasteful number, since it uses less digits than its factorization.

5261004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13152529 (or 13152518 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5261004400 is about 72532.7815542738. The cubic root of 5261004400 is about 1739.2268110975.

The spelling of 5261004400 in words is "five billion, two hundred sixty-one million, four thousand, four hundred".