252002511215240 has 64 divisors (see below), whose sum is σ = 597174024528000. Its totient is φ = 95443532997120.

The previous prime is 252002511215233. The next prime is 252002511215249. The reversal of 252002511215240 is 42512115200252.

It is a junction number, because it is equal to n+sod(n) for n = 252002511215197 and 252002511215206.

It is not an unprimeable number, because it can be changed into a prime (252002511215249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89155205 + ... + 91938324.

It is an arithmetic number, because the mean of its divisors is an integer number (9330844133250).

Almost surely, 2^{252002511215240} is an apocalyptic number.

252002511215240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252002511215240 is an abundant number, since it is smaller than the sum of its proper divisors (345171513312760).

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

252002511215240 is a wasteful number, since it uses less digits than its factorization.

252002511215240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181095390 (or 181095386 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 252002511215240 its reverse (42512115200252), we get a palindrome (294514626415492).

The spelling of 252002511215240 in words is "two hundred fifty-two trillion, two billion, five hundred eleven million, two hundred fifteen thousand, two hundred forty".