264561612 has 24 divisors (see below), whose sum is σ = 705497856. Its totient is φ = 75589008.

The previous prime is 264561611. The next prime is 264561629. The reversal of 264561612 is 216165462.

It is not an unprimeable number, because it can be changed into a prime (264561611) 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, 1574688 + ... + 1574855.

It is an arithmetic number, because the mean of its divisors is an integer number (29395744).

Almost surely, 2^264561612 is an apocalyptic number.

It is an amenable number.

264561612 is an abundant number, since it is smaller than the sum of its proper divisors (440936244).

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

264561612 is a wasteful number, since it uses less digits than its factorization.

264561612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149557 (or 3149555 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 264561612 is about 16265.3500423446. The cubic root of 264561612 is about 641.9614402167.

The spelling of 264561612 in words is "two hundred sixty-four million, five hundred sixty-one thousand, six hundred twelve".