252435455320 has 32 divisors (see below), whose sum is σ = 568013050800. Its totient is φ = 100968266368.

The previous prime is 252435455303. The next prime is 252435455339. The reversal of 252435455320 is 23554534252.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541662 + ... + 893458.

Almost surely, 2^252435455320 is an apocalyptic number.

252435455320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252435455320 is an abundant number, since it is smaller than the sum of its proper divisors (315577595480).

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

252435455320 is a wasteful number, since it uses less digits than its factorization.

252435455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369747 (or 369743 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 252435455320 its reverse (23554534252), we get a palindrome (275989989572).

The spelling of 252435455320 in words is "two hundred fifty-two billion, four hundred thirty-five million, four hundred fifty-five thousand, three hundred twenty".