1379436480 has 280 divisors, whose sum is σ = 5167000080. Its totient is φ = 348364800.

The previous prime is 1379436469. The next prime is 1379436497. The reversal of 1379436480 is 846349731.

1379436480 is a `hidden beast` number, since 137 + 9 + 4 + 36 + 480 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 491080 + ... + 493880.

Almost surely, 2^1379436480 is an apocalyptic number.

1379436480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379436480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583500040).

1379436480 is an abundant number, since it is smaller than the sum of its proper divisors (3787563600).

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

1379436480 is a wasteful number, since it uses less digits than its factorization.

1379436480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1379436480 is about 37140.7657433177. The cubic root of 1379436480 is about 1113.1847180721.

The spelling of 1379436480 in words is "one billion, three hundred seventy-nine million, four hundred thirty-six thousand, four hundred eighty".