1508040864 has 72 divisors (see below), whose sum is σ = 4678363872. Its totient is φ = 456981120.

The previous prime is 1508040851. The next prime is 1508040869. The reversal of 1508040864 is 4680408051.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1508040869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234844 + ... + 241179.

It is an arithmetic number, because the mean of its divisors is an integer number (64977276).

Almost surely, 2^1508040864 is an apocalyptic number.

It is an amenable number.

1508040864 is an abundant number, since it is smaller than the sum of its proper divisors (3170323008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1508040864 is a wasteful number, since it uses less digits than its factorization.

1508040864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476050 (or 476039 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1508040864 is about 38833.5018250994. The cubic root of 1508040864 is about 1146.7560410477.

The spelling of 1508040864 in words is "one billion, five hundred eight million, forty thousand, eight hundred sixty-four".