542263664 has 20 divisors (see below), whose sum is σ = 1060278120. Its totient is φ = 268643520.

The previous prime is 542263661. The next prime is 542263679. The reversal of 542263664 is 466362245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542263661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153722 + ... + 157209.

It is an arithmetic number, because the mean of its divisors is an integer number (53013906).

Almost surely, 2^542263664 is an apocalyptic number.

It is an amenable number.

542263664 is a deficient number, since it is larger than the sum of its proper divisors (518014456).

542263664 is a wasteful number, since it uses less digits than its factorization.

542263664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311048 (or 311042 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 542263664 is about 23286.5554344132. Note that the first 3 decimals coincide. The cubic root of 542263664 is about 815.4615745126.

The spelling of 542263664 in words is "five hundred forty-two million, two hundred sixty-three thousand, six hundred sixty-four".