542499756 has 24 divisors (see below), whose sum is σ = 1292766720. Its totient is φ = 176985552.

The previous prime is 542499751. The next prime is 542499787. The reversal of 542499756 is 657994245.

It is a junction number, because it is equal to n+sod(n) for n = 542499699 and 542499708.

It is not an unprimeable number, because it can be changed into a prime (542499751) 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, 480376 + ... + 481503.

It is an arithmetic number, because the mean of its divisors is an integer number (53865280).

Almost surely, 2^542499756 is an apocalyptic number.

It is an amenable number.

542499756 is an abundant number, since it is smaller than the sum of its proper divisors (750266964).

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

542499756 is a wasteful number, since it uses less digits than its factorization.

542499756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961933 (or 961931 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 542499756 is about 23291.6241597704. The cubic root of 542499756 is about 815.5799031862.

The spelling of 542499756 in words is "five hundred forty-two million, four hundred ninety-nine thousand, seven hundred fifty-six".