1408602540 has 24 divisors (see below), whose sum is σ = 3944087280. Its totient is φ = 375627328.

The previous prime is 1408602527. The next prime is 1408602551. The reversal of 1408602540 is 452068041.

1408602540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1408602540² = 3968322231388903200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1408602498 and 1408602507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738295 + ... + 11738414.

It is an arithmetic number, because the mean of its divisors is an integer number (164336970).

Almost surely, 2^1408602540 is an apocalyptic number.

1408602540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408602540 is an abundant number, since it is smaller than the sum of its proper divisors (2535484740).

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

1408602540 is a wasteful number, since it uses less digits than its factorization.

1408602540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23476721 (or 23476719 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1408602540 is about 37531.3540922786. The cubic root of 1408602540 is about 1120.9755902166.

The spelling of 1408602540 in words is "one billion, four hundred eight million, six hundred two thousand, five hundred forty".