262420664 has 32 divisors (see below), whose sum is σ = 549869040. Its totient is φ = 116371200.

The previous prime is 262420663. The next prime is 262420729. The reversal of 262420664 is 466024262.

262420664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 262420664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262420663) 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, 32759 + ... + 39974.

Almost surely, 2^262420664 is an apocalyptic number.

It is an amenable number.

262420664 is an abundant number, since it is smaller than the sum of its proper divisors (287448376).

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

262420664 is a wasteful number, since it uses less digits than its factorization.

262420664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72791 (or 72787 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 262420664 is about 16199.4031988836. The cubic root of 262420664 is about 640.2250705791.

The spelling of 262420664 in words is "two hundred sixty-two million, four hundred twenty thousand, six hundred sixty-four".