542452406 has 16 divisors (see below), whose sum is σ = 822334464. Its totient is φ = 268356264.

The previous prime is 542452397. The next prime is 542452411. The reversal of 542452406 is 604254245.

It is a super-2 number, since 2×542452406² = 588509225550377672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70841 + ... + 78123.

It is an arithmetic number, because the mean of its divisors is an integer number (51395904).

Almost surely, 2^542452406 is an apocalyptic number.

542452406 is a deficient number, since it is larger than the sum of its proper divisors (279882058).

542452406 is a wasteful number, since it uses less digits than its factorization.

542452406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 542452406 is about 23290.6076777743. The cubic root of 542452406 is about 815.5561742465.

The spelling of 542452406 in words is "five hundred forty-two million, four hundred fifty-two thousand, four hundred six".