542410624666 has 24 divisors (see below), whose sum is σ = 858889116864. Its totient is φ = 256872253320.

The previous prime is 542410624649. The next prime is 542410624699. The reversal of 542410624666 is 666426014245.

It is a happy number.

It is a super-2 number, since 2×542410624666² (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 11 ways as a sum of consecutive naturals, for example, 3138121 + ... + 3306451.

It is an arithmetic number, because the mean of its divisors is an integer number (35787046536).

Almost surely, 2^542410624666 is an apocalyptic number.

542410624666 is a deficient number, since it is larger than the sum of its proper divisors (316478492198).

542410624666 is a wasteful number, since it uses less digits than its factorization.

542410624666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172834 (or 172815 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 542410624666 in words is "five hundred forty-two billion, four hundred ten million, six hundred twenty-four thousand, six hundred sixty-six".