542766906 has 80 divisors (see below), whose sum is σ = 1331576928. Its totient is φ = 163879200.

The previous prime is 542766883. The next prime is 542766937. The reversal of 542766906 is 609667245.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 963781 + ... + 964343.

Almost surely, 2^542766906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542766906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665788464).

542766906 is an abundant number, since it is smaller than the sum of its proper divisors (788810022).

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

542766906 is a wasteful number, since it uses less digits than its factorization.

542766906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 542766906 is about 23297.3583481046. The cubic root of 542766906 is about 815.7137566511.

The spelling of 542766906 in words is "five hundred forty-two million, seven hundred sixty-six thousand, nine hundred six".