1400944886 has 32 divisors (see below), whose sum is σ = 2347107840. Its totient is φ = 621680800.

The previous prime is 1400944873. The next prime is 1400944913. The reversal of 1400944886 is 6884490041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475205 + ... + 478143.

It is an arithmetic number, because the mean of its divisors is an integer number (73347120).

Almost surely, 2^1400944886 is an apocalyptic number.

1400944886 is a deficient number, since it is larger than the sum of its proper divisors (946162954).

1400944886 is a wasteful number, since it uses less digits than its factorization.

1400944886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 1400944886 is about 37429.1983082726. The cubic root of 1400944886 is about 1118.9405601302.

The spelling of 1400944886 in words is "one billion, four hundred million, nine hundred forty-four thousand, eight hundred eighty-six".