1400120044 has 12 divisors (see below), whose sum is σ = 2462906824. Its totient is φ = 696432384.

The previous prime is 1400120039. The next prime is 1400120123. The reversal of 1400120044 is 4400210041.

It is a super-2 number, since 2×1400120044² = 3920672275221123872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906042 + ... + 907585.

Almost surely, 2^1400120044 is an apocalyptic number.

It is an amenable number.

1400120044 is a deficient number, since it is larger than the sum of its proper divisors (1062786780).

1400120044 is a wasteful number, since it uses less digits than its factorization.

1400120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813824 (or 1813822 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1400120044 is about 37418.1779887797. The cubic root of 1400120044 is about 1118.7209154284.

Adding to 1400120044 its reverse (4400210041), we get a palindrome (5800330085).

The spelling of 1400120044 in words is "one billion, four hundred million, one hundred twenty thousand, forty-four".