1542631179864 has 64 divisors (see below), whose sum is σ = 3993963667200. Its totient is φ = 495931411584.

The previous prime is 1542631179863. The next prime is 1542631179961. The reversal of 1542631179864 is 4689711362451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542631179863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590572 + ... + 1853115.

It is an arithmetic number, because the mean of its divisors is an integer number (62405682300).

Almost surely, 2^{1542631179864} is an apocalyptic number.

It is an amenable number.

1542631179864 is an abundant number, since it is smaller than the sum of its proper divisors (2451332487336).

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

1542631179864 is a wasteful number, since it uses less digits than its factorization.

1542631179864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444632 (or 2444628 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 1542631179864 in words is "one trillion, five hundred forty-two billion, six hundred thirty-one million, one hundred seventy-nine thousand, eight hundred sixty-four".