542057628 has 24 divisors (see below), whose sum is σ = 1445487232. Its totient is φ = 154873584.

The previous prime is 542057611. The next prime is 542057639. The reversal of 542057628 is 826750245.

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, 3226450 + ... + 3226617.

Almost surely, 2^542057628 is an apocalyptic number.

It is an amenable number.

542057628 is an abundant number, since it is smaller than the sum of its proper divisors (903429604).

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

542057628 is a wasteful number, since it uses less digits than its factorization.

542057628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453081 (or 6453079 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 542057628 is about 23282.1310880254. The cubic root of 542057628 is about 815.3582817567.

The spelling of 542057628 in words is "five hundred forty-two million, fifty-seven thousand, six hundred twenty-eight".