252477720000 has 840 divisors, whose sum is σ = 997710130560. Its totient is φ = 60514560000.

The previous prime is 252477719999. The next prime is 252477720029. The reversal of 252477720000 is 27774252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 407879691 + ... + 407880309.

Almost surely, 2^252477720000 is an apocalyptic number.

252477720000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252477720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498855065280).

252477720000 is an abundant number, since it is smaller than the sum of its proper divisors (745232410560).

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

252477720000 is a wasteful number, since it uses less digits than its factorization.

252477720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The spelling of 252477720000 in words is "two hundred fifty-two billion, four hundred seventy-seven million, seven hundred twenty thousand".