1542460540 has 12 divisors (see below), whose sum is σ = 3239167176. Its totient is φ = 616984208.

The previous prime is 1542460529. The next prime is 1542460627. The reversal of 1542460540 is 450642451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38561494 + ... + 38561533.

It is an arithmetic number, because the mean of its divisors is an integer number (269930598).

Almost surely, 2^1542460540 is an apocalyptic number.

1542460540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542460540 is an abundant number, since it is smaller than the sum of its proper divisors (1696706636).

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

1542460540 is a wasteful number, since it uses less digits than its factorization.

1542460540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77123036 (or 77123034 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1542460540 is about 39274.1714107376. The cubic root of 1542460540 is about 1155.4150516970.

The spelling of 1542460540 in words is "one billion, five hundred forty-two million, four hundred sixty thousand, five hundred forty".