1252775262740 has 24 divisors (see below), whose sum is σ = 2630876771040. Its totient is φ = 501100825248.

The previous prime is 1252775262703. The next prime is 1252775262757. The reversal of 1252775262740 is 472625772521.

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, 583979 + ... + 1687181.

It is an arithmetic number, because the mean of its divisors is an integer number (109619865460).

Almost surely, 2^{1252775262740} is an apocalyptic number.

1252775262740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252775262740 is an abundant number, since it is smaller than the sum of its proper divisors (1378101508300).

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

1252775262740 is a wasteful number, since it uses less digits than its factorization.

1252775262740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159991 (or 1159989 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 1252775262740 in words is "one trillion, two hundred fifty-two billion, seven hundred seventy-five million, two hundred sixty-two thousand, seven hundred forty".