1388700464 has 40 divisors (see below), whose sum is σ = 2767122000. Its totient is φ = 674871296.

The previous prime is 1388700461. The next prime is 1388700497. The reversal of 1388700464 is 4640078831.

It is not an unprimeable number, because it can be changed into a prime (1388700461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75752 + ... + 92280.

It is an arithmetic number, because the mean of its divisors is an integer number (69178050).

Almost surely, 2^1388700464 is an apocalyptic number.

It is an amenable number.

1388700464 is a deficient number, since it is larger than the sum of its proper divisors (1378421536).

1388700464 is a wasteful number, since it uses less digits than its factorization.

1388700464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685 (or 16679 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1388700464 is about 37265.2715540891. The cubic root of 1388700464 is about 1115.6711260567.

The spelling of 1388700464 in words is "one billion, three hundred eighty-eight million, seven hundred thousand, four hundred sixty-four".