264070690 has 32 divisors (see below), whose sum is σ = 542006640. Its totient is φ = 91766784.

The previous prime is 264070669. The next prime is 264070699. The reversal of 264070690 is 96070462.

It can be written as a sum of positive squares in 8 ways, for example, as 59552089 + 204518601 = 7717^2 + 14301^2 .

It is a super-2 number, since 2×264070690² = 139466658634152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (264070699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57535 + ... + 61954.

Almost surely, 2^264070690 is an apocalyptic number.

264070690 is an abundant number, since it is smaller than the sum of its proper divisors (277935950).

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

264070690 is a wasteful number, since it uses less digits than its factorization.

264070690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119526.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 264070690 is about 16250.2519980461. The cubic root of 264070690 is about 641.5641186171.

The spelling of 264070690 in words is "two hundred sixty-four million, seventy thousand, six hundred ninety".