1151639464 has 32 divisors (see below), whose sum is σ = 2179245600. Its totient is φ = 570525120.

The previous prime is 1151639453. The next prime is 1151639473. The reversal of 1151639464 is 4649361511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901194 + ... + 902470.

It is an arithmetic number, because the mean of its divisors is an integer number (68101425).

Almost surely, 2^1151639464 is an apocalyptic number.

It is an amenable number.

1151639464 is a deficient number, since it is larger than the sum of its proper divisors (1027606136).

1151639464 is a wasteful number, since it uses less digits than its factorization.

1151639464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2229 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 1151639464 is about 33935.8138844496. The cubic root of 1151639464 is about 1048.1871861318.

The spelling of 1151639464 in words is "one billion, one hundred fifty-one million, six hundred thirty-nine thousand, four hundred sixty-four".