542052404 has 6 divisors (see below), whose sum is σ = 948591714. Its totient is φ = 271026200.

The previous prime is 542052403. The next prime is 542052421. The reversal of 542052404 is 404250245.

It can be written as a sum of positive squares in only one way, i.e., 541492900 + 559504 = 23270^2 + 748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542052403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67756547 + ... + 67756554.

It is an arithmetic number, because the mean of its divisors is an integer number (158098619).

Almost surely, 2^542052404 is an apocalyptic number.

It is an amenable number.

542052404 is a deficient number, since it is larger than the sum of its proper divisors (406539310).

542052404 is a wasteful number, since it uses less digits than its factorization.

542052404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135513105 (or 135513103 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 542052404 is about 23282.0188987124. The cubic root of 542052404 is about 815.3556624501.

The spelling of 542052404 in words is "five hundred forty-two million, fifty-two thousand, four hundred four".