542319420 has 24 divisors (see below), whose sum is σ = 1518494544. Its totient is φ = 144618496.

The previous prime is 542319391. The next prime is 542319439. The reversal of 542319420 is 24913245.

It is a super-2 number, since 2×542319420² = 588220706618272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519269 + ... + 4519388.

It is an arithmetic number, because the mean of its divisors is an integer number (63270606).

Almost surely, 2^542319420 is an apocalyptic number.

It is an amenable number.

542319420 is an abundant number, since it is smaller than the sum of its proper divisors (976175124).

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

542319420 is a wasteful number, since it uses less digits than its factorization.

542319420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038669 (or 9038667 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 542319420 is about 23287.7525751198. The cubic root of 542319420 is about 815.4895223667.

The spelling of 542319420 in words is "five hundred forty-two million, three hundred nineteen thousand, four hundred twenty".