1408013380 has 12 divisors (see below), whose sum is σ = 2956828140. Its totient is φ = 563205344.

The previous prime is 1408013377. The next prime is 1408013393. The reversal of 1408013380 is 833108041.

It can be written as a sum of positive squares in 2 ways, for example, as 519019524 + 888993856 = 22782^2 + 29816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35200315 + ... + 35200354.

It is an arithmetic number, because the mean of its divisors is an integer number (246402345).

Almost surely, 2^1408013380 is an apocalyptic number.

1408013380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408013380 is an abundant number, since it is smaller than the sum of its proper divisors (1548814760).

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

1408013380 is a wasteful number, since it uses less digits than its factorization.

1408013380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400678 (or 70400676 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1408013380 is about 37523.5043672629. The cubic root of 1408013380 is about 1120.8192825621.

The spelling of 1408013380 in words is "one billion, four hundred eight million, thirteen thousand, three hundred eighty".