1399947025290 has 128 divisors (see below), whose sum is σ = 3728710444032. Its totient is φ = 333553643520.

The previous prime is 1399947025271. The next prime is 1399947025339. The reversal of 1399947025290 is 925207499931.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5153857 + ... + 5418683.

It is an arithmetic number, because the mean of its divisors is an integer number (29130550344).

Almost surely, 2^{1399947025290} is an apocalyptic number.

1399947025290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1399947025290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864355222016).

1399947025290 is an abundant number, since it is smaller than the sum of its proper divisors (2328763418742).

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

1399947025290 is a wasteful number, since it uses less digits than its factorization.

1399947025290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265124.

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 1399947025290 in words is "one trillion, three hundred ninety-nine billion, nine hundred forty-seven million, twenty-five thousand, two hundred ninety".