542046331556 has 12 divisors (see below), whose sum is σ = 948589581660. Its totient is φ = 271020736800.

The previous prime is 542046331481. The next prime is 542046331579. The reversal of 542046331556 is 655133640245.

It can be written as a sum of positive squares in 2 ways, for example, as 290935099456 + 251111232100 = 539384^2 + 501110^2 .

It is a super-2 number, since 2×542046331556² (a number of 24 digits) contains 22 as substring.

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, 47891 + ... + 1042298.

It is an arithmetic number, because the mean of its divisors is an integer number (79049131805).

Almost surely, 2^542046331556 is an apocalyptic number.

It is an amenable number.

542046331556 is a deficient number, since it is larger than the sum of its proper divisors (406543250104).

542046331556 is a wasteful number, since it uses less digits than its factorization.

542046331556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214494 (or 1214492 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 542046331556 in words is "five hundred forty-two billion, forty-six million, three hundred thirty-one thousand, five hundred fifty-six".