542312826 has 32 divisors (see below), whose sum is σ = 1185850368. Its totient is φ = 163973040.

The previous prime is 542312803. The next prime is 542312831. The reversal of 542312826 is 628213245.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 21685 + ... + 39431.

It is an arithmetic number, because the mean of its divisors is an integer number (37057824).

Almost surely, 2^542312826 is an apocalyptic number.

542312826 is an abundant number, since it is smaller than the sum of its proper divisors (643537542).

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

542312826 is a wasteful number, since it uses less digits than its factorization.

542312826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18226.

The product of its digits is 23040, while the sum is 33.

The square root of 542312826 is about 23287.6109981252. The cubic root of 542312826 is about 815.4862172053.

The spelling of 542312826 in words is "five hundred forty-two million, three hundred twelve thousand, eight hundred twenty-six".