1408092420 has 72 divisors (see below), whose sum is σ = 4586367744. Its totient is φ = 321849024.

The previous prime is 1408092373. The next prime is 1408092421. The reversal of 1408092420 is 242908041.

It is a super-2 number, since 2×1408092420² = 3965448526522912800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1408092421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236532 + ... + 242411.

It is an arithmetic number, because the mean of its divisors is an integer number (63699552).

Almost surely, 2^1408092420 is an apocalyptic number.

1408092420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408092420 is an abundant number, since it is smaller than the sum of its proper divisors (3178275324).

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

1408092420 is a wasteful number, since it uses less digits than its factorization.

1408092420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478969 (or 478960 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1408092420 is about 37524.5575590173. The cubic root of 1408092420 is about 1120.8402548767.

The spelling of 1408092420 in words is "one billion, four hundred eight million, ninety-two thousand, four hundred twenty".