1379293680 has 40 divisors (see below), whose sum is σ = 4275811152. Its totient is φ = 367811584.

The previous prime is 1379293651. The next prime is 1379293697. The reversal of 1379293680 is 863929731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2873289 + ... + 2873768.

Almost surely, 2^1379293680 is an apocalyptic number.

1379293680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379293680 is an abundant number, since it is smaller than the sum of its proper divisors (2896517472).

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

1379293680 is a wasteful number, since it uses less digits than its factorization.

1379293680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747073 (or 5747067 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1379293680 is about 37138.8432776251. The cubic root of 1379293680 is about 1113.1463042547.

The spelling of 1379293680 in words is "one billion, three hundred seventy-nine million, two hundred ninety-three thousand, six hundred eighty".