1379976480 has 96 divisors (see below), whose sum is σ = 4829932800. Its totient is φ = 367992576.

The previous prime is 1379976473. The next prime is 1379976491. The reversal of 1379976480 is 846799731.

It is a happy number.

1379976480 is a `hidden beast` number, since 1 + 3 + 7 + 99 + 76 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155400 + ... + 164039.

It is an arithmetic number, because the mean of its divisors is an integer number (50311800).

Almost surely, 2^1379976480 is an apocalyptic number.

1379976480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379976480 is an abundant number, since it is smaller than the sum of its proper divisors (3449956320).

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

1379976480 is a wasteful number, since it uses less digits than its factorization.

1379976480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319463 (or 319449 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1379976480 is about 37148.0346721061. The cubic root of 1379976480 is about 1113.3299564441.

The spelling of 1379976480 in words is "one billion, three hundred seventy-nine million, nine hundred seventy-six thousand, four hundred eighty".