1542838764 has 24 divisors (see below), whose sum is σ = 3600676800. Its totient is φ = 514176784.

The previous prime is 1542838709. The next prime is 1542838811. The reversal of 1542838764 is 4678382451.

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, 72187 + ... + 91085.

It is an arithmetic number, because the mean of its divisors is an integer number (150028200).

Almost surely, 2^1542838764 is an apocalyptic number.

It is an amenable number.

1542838764 is an abundant number, since it is smaller than the sum of its proper divisors (2057838036).

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

1542838764 is a wasteful number, since it uses less digits than its factorization.

1542838764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25709 (or 25707 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 1542838764 is about 39278.9862903818. The cubic root of 1542838764 is about 1155.5094830675.

The spelling of 1542838764 in words is "one billion, five hundred forty-two million, eight hundred thirty-eight thousand, seven hundred sixty-four".