1405630896 has 40 divisors (see below), whose sum is σ = 3674973120. Its totient is φ = 462897216.

The previous prime is 1405630879. The next prime is 1405630931. The reversal of 1405630896 is 6980365041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172426 + ... + 180393.

It is an arithmetic number, because the mean of its divisors is an integer number (91874328).

Almost surely, 2^1405630896 is an apocalyptic number.

1405630896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1405630896 is an abundant number, since it is smaller than the sum of its proper divisors (2269342224).

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

1405630896 is a wasteful number, since it uses less digits than its factorization.

1405630896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352913 (or 352907 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1405630896 is about 37491.7443712613. The cubic root of 1405630896 is about 1120.1867503219.

The spelling of 1405630896 in words is "one billion, four hundred five million, six hundred thirty thousand, eight hundred ninety-six".