1240147255400 has 24 divisors (see below), whose sum is σ = 2883342369270. Its totient is φ = 496058902080.

The previous prime is 1240147255387. The next prime is 1240147255423. The reversal of 1240147255400 is 45527410421.

It can be written as a sum of positive squares in 3 ways, for example, as 1100287710916 + 139859544484 = 1048946^2 + 373978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3100367939 + ... + 3100368338.

Almost surely, 2^{1240147255400} is an apocalyptic number.

1240147255400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240147255400 is an abundant number, since it is smaller than the sum of its proper divisors (1643195113870).

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

1240147255400 is a wasteful number, since it uses less digits than its factorization.

1240147255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200736293 (or 6200736284 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 1240147255400 in words is "one trillion, two hundred forty billion, one hundred forty-seven million, two hundred fifty-five thousand, four hundred".