3251140732 has 48 divisors (see below), whose sum is σ = 6663247360. Its totient is φ = 1358949312.

The previous prime is 3251140693. The next prime is 3251140757. The reversal of 3251140732 is 2370411523.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 3251140732.

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, 1054369 + ... + 1057447.

Almost surely, 2^3251140732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3251140732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3331623680).

3251140732 is an abundant number, since it is smaller than the sum of its proper divisors (3412106628).

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

3251140732 is a wasteful number, since it uses less digits than its factorization.

3251140732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3251140732 is about 57018.7752586812. The cubic root of 3251140732 is about 1481.4213172169.

The spelling of 3251140732 in words is "three billion, two hundred fifty-one million, one hundred forty thousand, seven hundred thirty-two".