1453649264 has 40 divisors (see below), whose sum is σ = 2967786240. Its totient is φ = 687849408.

The previous prime is 1453649251. The next prime is 1453649269. The reversal of 1453649264 is 4629463541.

It is a super-2 number, since 2×1453649264² = 4226192365455483392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453649269) 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, 388169 + ... + 391895.

It is an arithmetic number, because the mean of its divisors is an integer number (74194656).

Almost surely, 2^1453649264 is an apocalyptic number.

It is an amenable number.

1453649264 is an abundant number, since it is smaller than the sum of its proper divisors (1514136976).

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

1453649264 is a wasteful number, since it uses less digits than its factorization.

1453649264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5031 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 1453649264 is about 38126.7526023395. The cubic root of 1453649264 is about 1132.7999232274.

The spelling of 1453649264 in words is "one billion, four hundred fifty-three million, six hundred forty-nine thousand, two hundred sixty-four".