542440266 has 32 divisors (see below), whose sum is σ = 1113507648. Its totient is φ = 176092800.

The previous prime is 542440259. The next prime is 542440321. The reversal of 542440266 is 662044245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37341 + ... + 49791.

It is an arithmetic number, because the mean of its divisors is an integer number (34797114).

Almost surely, 2^542440266 is an apocalyptic number.

542440266 is an abundant number, since it is smaller than the sum of its proper divisors (571067382).

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

542440266 is a wasteful number, since it uses less digits than its factorization.

542440266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 542440266 is about 23290.3470562377. The cubic root of 542440266 is about 815.5500901946.

The spelling of 542440266 in words is "five hundred forty-two million, four hundred forty thousand, two hundred sixty-six".