542480666 has 96 divisors (see below), whose sum is σ = 1091280960. Its totient is φ = 199874304.

The previous prime is 542480663. The next prime is 542480669. The reversal of 542480666 is 666084245.

It is an interprime number because it is at equal distance from previous prime (542480663) and next prime (542480669).

It is not an unprimeable number, because it can be changed into a prime (542480663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1766885 + ... + 1767191.

It is an arithmetic number, because the mean of its divisors is an integer number (11367510).

Almost surely, 2^542480666 is an apocalyptic number.

542480666 is an abundant number, since it is smaller than the sum of its proper divisors (548800294).

542480666 is a wasteful number, since it uses less digits than its factorization.

542480666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 542480666 is about 23291.2143521973. The cubic root of 542480666 is about 815.5703366056.

The spelling of 542480666 in words is "five hundred forty-two million, four hundred eighty thousand, six hundred sixty-six".