542631590 has 32 divisors (see below), whose sum is σ = 998446176. Its totient is φ = 212281600.

The previous prime is 542631581. The next prime is 542631601. The reversal of 542631590 is 95136245.

542631590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542631590.

It is a congruent number.

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, 80594 + ... + 87066.

It is an arithmetic number, because the mean of its divisors is an integer number (31201443).

Almost surely, 2^542631590 is an apocalyptic number.

542631590 is a deficient number, since it is larger than the sum of its proper divisors (455814586).

542631590 is a wasteful number, since it uses less digits than its factorization.

542631590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 542631590 is about 23294.4540609992. The cubic root of 542631590 is about 815.6459630945.

The spelling of 542631590 in words is "five hundred forty-two million, six hundred thirty-one thousand, five hundred ninety".