1252450515340 has 12 divisors (see below), whose sum is σ = 2630146082256. Its totient is φ = 500980206128.

The previous prime is 1252450515301. The next prime is 1252450515431. The reversal of 1252450515340 is 435150542521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252450515340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31311262864 + ... + 31311262903.

It is an arithmetic number, because the mean of its divisors is an integer number (219178840188).

Almost surely, 2^{1252450515340} is an apocalyptic number.

1252450515340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252450515340 is an abundant number, since it is smaller than the sum of its proper divisors (1377695566916).

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

1252450515340 is a wasteful number, since it uses less digits than its factorization.

1252450515340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62622525776 (or 62622525774 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1252450515340 in words is "one trillion, two hundred fifty-two billion, four hundred fifty million, five hundred fifteen thousand, three hundred forty".