3253304640 has 112 divisors (see below), whose sum is σ = 10872947520. Its totient is φ = 821882880.

The previous prime is 3253304633. The next prime is 3253304657. The reversal of 3253304640 is 464033523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3253304598 and 3253304607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70941 + ... + 107420.

Almost surely, 2^3253304640 is an apocalyptic number.

3253304640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3253304640 is an abundant number, since it is smaller than the sum of its proper divisors (7619642880).

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

3253304640 is a wasteful number, since it uses less digits than its factorization.

3253304640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178400 (or 178390 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 3253304640 is about 57037.7475011067. The cubic root of 3253304640 is about 1481.7499145467.

The spelling of 3253304640 in words is "three billion, two hundred fifty-three million, three hundred four thousand, six hundred forty".