542522406 has 16 divisors (see below), whose sum is σ = 1085384448. Its totient is φ = 180784200.

The previous prime is 542522399. The next prime is 542522417. The reversal of 542522406 is 604225245.

It is a happy number.

It is a super-2 number, since 2×542522406² = 588661122024057672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9711 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (67836528).

Almost surely, 2^542522406 is an apocalyptic number.

542522406 is an abundant number, since it is smaller than the sum of its proper divisors (542862042).

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

542522406 is a wasteful number, since it uses less digits than its factorization.

542522406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28307.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 542522406 is about 23292.1103809852. The cubic root of 542522406 is about 815.5912535002.

The spelling of 542522406 in words is "five hundred forty-two million, five hundred twenty-two thousand, four hundred six".