1408920872 has 8 divisors (see below), whose sum is σ = 2641726650. Its totient is φ = 704460432.

The previous prime is 1408920857. The next prime is 1408920881. The reversal of 1408920872 is 2780298041.

It can be written as a sum of positive squares in only one way, i.e., 1408801156 + 119716 = 37534^2 + 346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 88057547 + ... + 88057562.

Almost surely, 2^1408920872 is an apocalyptic number.

It is an amenable number.

1408920872 is a deficient number, since it is larger than the sum of its proper divisors (1232805778).

1408920872 is a wasteful number, since it uses less digits than its factorization.

1408920872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176115115 (or 176115111 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1408920872 is about 37535.5947335326. The cubic root of 1408920872 is about 1121.0600274546.

The spelling of 1408920872 in words is "one billion, four hundred eight million, nine hundred twenty thousand, eight hundred seventy-two".