1542688004 has 24 divisors (see below), whose sum is σ = 3171681408. Its totient is φ = 647281440.

The previous prime is 1542687943. The next prime is 1542688019. The reversal of 1542688004 is 4008862451.

It is a happy number.

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, 1347932 + ... + 1349075.

It is an arithmetic number, because the mean of its divisors is an integer number (132153392).

Almost surely, 2^1542688004 is an apocalyptic number.

It is an amenable number.

1542688004 is an abundant number, since it is smaller than the sum of its proper divisors (1628993404).

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

1542688004 is a wasteful number, since it uses less digits than its factorization.

1542688004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697035 (or 2697033 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1542688004 is about 39277.0671512016. The cubic root of 1542688004 is about 1155.4718445948.

The spelling of 1542688004 in words is "one billion, five hundred forty-two million, six hundred eighty-eight thousand, four".