3251402840 has 96 divisors (see below), whose sum is σ = 8523597600. Its totient is φ = 1112993280.

The previous prime is 3251402837. The next prime is 3251402863. The reversal of 3251402840 is 482041523.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2019956 + ... + 2021564.

It is an arithmetic number, because the mean of its divisors is an integer number (88787475).

Almost surely, 2^3251402840 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 3251402840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4261798800).

3251402840 is an abundant number, since it is smaller than the sum of its proper divisors (5272194760).

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

3251402840 is a wasteful number, since it uses less digits than its factorization.

3251402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 3251402840 is about 57021.0736482574. The cubic root of 3251402840 is about 1481.4611270330.

The spelling of 3251402840 in words is "three billion, two hundred fifty-one million, four hundred two thousand, eight hundred forty".