3251402145240 has 128 divisors (see below), whose sum is σ = 10376932446720. Its totient is φ = 812170598400.

The previous prime is 3251402145193. The next prime is 3251402145253. The reversal of 3251402145240 is 425412041523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3346396 + ... + 4207275.

It is an arithmetic number, because the mean of its divisors is an integer number (81069784740).

Almost surely, 2^{3251402145240} is an apocalyptic number.

3251402145240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3251402145240 is an abundant number, since it is smaller than the sum of its proper divisors (7125530301480).

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

3251402145240 is a wasteful number, since it uses less digits than its factorization.

3251402145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553913 (or 7553909 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 3251402145240 its reverse (425412041523), we get a palindrome (3676814186763).

The spelling of 3251402145240 in words is "three trillion, two hundred fifty-one billion, four hundred two million, one hundred forty-five thousand, two hundred forty".