542635780 has 48 divisors (see below), whose sum is σ = 1227469824. Its totient is φ = 200914560.

The previous prime is 542635729. The next prime is 542635789. The reversal of 542635780 is 87536245.

It is not an unprimeable number, because it can be changed into a prime (542635789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4767 + ... + 33286.

It is an arithmetic number, because the mean of its divisors is an integer number (25572288).

Almost surely, 2^542635780 is an apocalyptic number.

It is an amenable number.

542635780 is an abundant number, since it is smaller than the sum of its proper divisors (684834044).

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

542635780 is a wasteful number, since it uses less digits than its factorization.

542635780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38116 (or 38114 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 542635780 is about 23294.5439963954. The cubic root of 542635780 is about 815.6480624611.

The spelling of 542635780 in words is "five hundred forty-two million, six hundred thirty-five thousand, seven hundred eighty".