542321026 has 16 divisors (see below), whose sum is σ = 878923584. Its totient is φ = 249483024.

The previous prime is 542321011. The next prime is 542321027. The reversal of 542321026 is 620123245.

It is a super-2 number, since 2×542321026² = 588224190483385352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542321027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25990 + ... + 41953.

It is an arithmetic number, because the mean of its divisors is an integer number (54932724).

Almost surely, 2^542321026 is an apocalyptic number.

542321026 is a deficient number, since it is larger than the sum of its proper divisors (336602558).

542321026 is a wasteful number, since it uses less digits than its factorization.

542321026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68265.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 542321026 is about 23287.7870567386. The cubic root of 542321026 is about 815.4903273504.

The spelling of 542321026 in words is "five hundred forty-two million, three hundred twenty-one thousand, twenty-six".