1379790275520 has 56 divisors (see below), whose sum is σ = 4380834127824. Its totient is φ = 367944073216.

The previous prime is 1379790275483. The next prime is 1379790275527. The reversal of 1379790275520 is 255720979731.

It is a super-2 number, since 2×1379790275520² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379790275527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718639809 + ... + 718641728.

It is an arithmetic number, because the mean of its divisors is an integer number (78229180854).

Almost surely, 2^{1379790275520} is an apocalyptic number.

1379790275520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379790275520 is an abundant number, since it is smaller than the sum of its proper divisors (3001043852304).

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

1379790275520 is a wasteful number, since it uses less digits than its factorization.

1379790275520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437281557 (or 1437281547 counting only the distinct ones).

The product of its (nonzero) digits is 8334900, while the sum is 57.

The spelling of 1379790275520 in words is "one trillion, three hundred seventy-nine billion, seven hundred ninety million, two hundred seventy-five thousand, five hundred twenty".