542429680 has 40 divisors (see below), whose sum is σ = 1358163072. Its totient is φ = 200281344.

The previous prime is 542429653. The next prime is 542429681. The reversal of 542429680 is 86924245.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542429681) 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, 259744 + ... + 261823.

Almost surely, 2^542429680 is an apocalyptic number.

It is an amenable number.

542429680 is an abundant number, since it is smaller than the sum of its proper divisors (815733392).

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

542429680 is a wasteful number, since it uses less digits than its factorization.

542429680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521593 (or 521587 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 542429680 is about 23290.1197935949. The cubic root of 542429680 is about 815.5447848673.

The spelling of 542429680 in words is "five hundred forty-two million, four hundred twenty-nine thousand, six hundred eighty".