542600040 has 64 divisors (see below), whose sum is σ = 1629432000. Its totient is φ = 144548352.

The previous prime is 542600011. The next prime is 542600057. The reversal of 542600040 is 40006245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176436 + ... + 179484.

It is an arithmetic number, because the mean of its divisors is an integer number (25459875).

Almost surely, 2^542600040 is an apocalyptic number.

It is an amenable number.

542600040 is an abundant number, since it is smaller than the sum of its proper divisors (1086831960).

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

542600040 is a wasteful number, since it uses less digits than its factorization.

542600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 542600040 is about 23293.7768513395. The cubic root of 542600040 is about 815.6301548683.

Adding to 542600040 its reverse (40006245), we get a palindrome (582606285).

The spelling of 542600040 in words is "five hundred forty-two million, six hundred thousand, forty".