1402651864 has 16 divisors (see below), whose sum is σ = 2630589120. Its totient is φ = 701161440.

The previous prime is 1402651847. The next prime is 1402651867. The reversal of 1402651864 is 4681562041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402651867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20502 + ... + 56794.

It is an arithmetic number, because the mean of its divisors is an integer number (164411820).

Almost surely, 2^1402651864 is an apocalyptic number.

It is an amenable number.

1402651864 is a deficient number, since it is larger than the sum of its proper divisors (1227937256).

1402651864 is a wasteful number, since it uses less digits than its factorization.

1402651864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41130 (or 41126 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1402651864 is about 37451.9941258139. The cubic root of 1402651864 is about 1119.3948325087.

It can be divided in two parts, 140265 and 1864, that added together give a square (142129 = 377²).

The spelling of 1402651864 in words is "one billion, four hundred two million, six hundred fifty-one thousand, eight hundred sixty-four".