3251319540 has 72 divisors (see below), whose sum is σ = 10590021792. Its totient is φ = 743158080.

The previous prime is 3251319469. The next prime is 3251319541. The reversal of 3251319540 is 459131523.

3251319540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251319541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550006 + ... + 555885.

It is an arithmetic number, because the mean of its divisors is an integer number (147083636).

Almost surely, 2^3251319540 is an apocalyptic number.

3251319540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3251319540 is an abundant number, since it is smaller than the sum of its proper divisors (7338702252).

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

3251319540 is a wasteful number, since it uses less digits than its factorization.

3251319540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105917 (or 1105908 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 3251319540 is about 57020.3432118748. The cubic root of 3251319540 is about 1481.4484753898.

The spelling of 3251319540 in words is "three billion, two hundred fifty-one million, three hundred nineteen thousand, five hundred forty".