1400042464 has 24 divisors (see below), whose sum is σ = 2757819960. Its totient is φ = 699643776.

The previous prime is 1400042443. The next prime is 1400042471. The reversal of 1400042464 is 4642400041.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 54147 + ... + 75709.

It is an arithmetic number, because the mean of its divisors is an integer number (114909165).

Almost surely, 2^1400042464 is an apocalyptic number.

It is an amenable number.

1400042464 is a deficient number, since it is larger than the sum of its proper divisors (1357777496).

1400042464 is a wasteful number, since it uses less digits than its factorization.

1400042464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602 (or 23594 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1400042464 is about 37417.1413125054. The cubic root of 1400042464 is about 1118.7002524450.

The spelling of 1400042464 in words is "one billion, four hundred million, forty-two thousand, four hundred sixty-four".