243025532400 has 120 divisors (see below), whose sum is σ = 889704932224. Its totient is φ = 55548691200.

The previous prime is 243025532377. The next prime is 243025532411. The reversal of 243025532400 is 4235520342.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×243025532400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14457406 + ... + 14474205.

Almost surely, 2^243025532400 is an apocalyptic number.

243025532400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243025532400 is an abundant number, since it is smaller than the sum of its proper divisors (646679399824).

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

243025532400 is a wasteful number, since it uses less digits than its factorization.

243025532400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28931639 (or 28931628 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 243025532400 in words is "two hundred forty-three billion, twenty-five million, five hundred thirty-two thousand, four hundred".