1275002765240 has 32 divisors (see below), whose sum is σ = 2917379214000. Its totient is φ = 501357018624.

The previous prime is 1275002765209. The next prime is 1275002765287. The reversal of 1275002765240 is 425672005721.

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, 270125345 + ... + 270130064.

Almost surely, 2^{1275002765240} is an apocalyptic number.

1275002765240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275002765240 is an abundant number, since it is smaller than the sum of its proper divisors (1642376448760).

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

1275002765240 is a wasteful number, since it uses less digits than its factorization.

1275002765240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540255479 (or 540255475 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 1275002765240 in words is "one trillion, two hundred seventy-five billion, two million, seven hundred sixty-five thousand, two hundred forty".