3240661364 has 6 divisors (see below), whose sum is σ = 5671157394. Its totient is φ = 1620330680.

The previous prime is 3240661349. The next prime is 3240661367. The reversal of 3240661364 is 4631660423.

It can be written as a sum of positive squares in only one way, i.e., 2699633764 + 541027600 = 51958^2 + 23260^2 .

It is a super-2 number, since 2×3240661364² = 21003772152244680992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240661367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405082667 + ... + 405082674.

It is an arithmetic number, because the mean of its divisors is an integer number (945192899).

Almost surely, 2^3240661364 is an apocalyptic number.

It is an amenable number.

3240661364 is a deficient number, since it is larger than the sum of its proper divisors (2430496030).

3240661364 is a wasteful number, since it uses less digits than its factorization.

3240661364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810165345 (or 810165343 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 3240661364 is about 56926.8070771583. The cubic root of 3240661364 is about 1479.8279207041.

The spelling of 3240661364 in words is "three billion, two hundred forty million, six hundred sixty-one thousand, three hundred sixty-four".