1390002765255 has 48 divisors (see below), whose sum is σ = 2621421129600. Its totient is φ = 677254293504.

The previous prime is 1390002765253. The next prime is 1390002765269. The reversal of 1390002765255 is 5525672000931.

1390002765255 is a `hidden beast` number, since 1 + 390 + 0 + 0 + 2 + 7 + 6 + 5 + 255 = 666.

It is not a de Polignac number, because 1390002765255 - 2¹ = 1390002765253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1390002765255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390002765253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12191055 + ... + 12304544.

It is an arithmetic number, because the mean of its divisors is an integer number (54612940200).

Almost surely, 2^{1390002765255} is an apocalyptic number.

1390002765255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390002765255 is a deficient number, since it is larger than the sum of its proper divisors (1231418364345).

1390002765255 is a wasteful number, since it uses less digits than its factorization.

1390002765255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24495720 (or 24495717 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 1390002765255 in words is "one trillion, three hundred ninety billion, two million, seven hundred sixty-five thousand, two hundred fifty-five".