3251340540 has 96 divisors (see below), whose sum is σ = 11560335360. Its totient is φ = 743162688.

The previous prime is 3251340529. The next prime is 3251340541. The reversal of 3251340540 is 450431523.

3251340540 is a `hidden beast` number, since 3 + 251 + 3 + 405 + 4 + 0 = 666.

3251340540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251340541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426292 + ... + 433851.

It is an arithmetic number, because the mean of its divisors is an integer number (120420160).

Almost surely, 2^3251340540 is an apocalyptic number.

3251340540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3251340540 is an abundant number, since it is smaller than the sum of its proper divisors (8308994820).

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

3251340540 is a wasteful number, since it uses less digits than its factorization.

3251340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860168 (or 860160 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3251340540 is about 57020.5273563828. The cubic root of 3251340540 is about 1481.4516649001.

The spelling of 3251340540 in words is "three billion, two hundred fifty-one million, three hundred forty thousand, five hundred forty".