3250640140 has 48 divisors (see below), whose sum is σ = 7770712320. Its totient is φ = 1130655680.

The previous prime is 3250640111. The next prime is 3250640161. The reversal of 3250640140 is 410460523.

It is a super-2 number, since 2×3250640140² = 21133322639558439200, which contains 22 as substring.

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, 316150 + ... + 326269.

It is an arithmetic number, because the mean of its divisors is an integer number (161889840).

Almost surely, 2^3250640140 is an apocalyptic number.

It is an amenable number.

3250640140 is an abundant number, since it is smaller than the sum of its proper divisors (4520072180).

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

3250640140 is a wasteful number, since it uses less digits than its factorization.

3250640140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642462 (or 642460 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3250640140 is about 57014.3853777273. The cubic root of 3250640140 is about 1481.3452797287.

The spelling of 3250640140 in words is "three billion, two hundred fifty million, six hundred forty thousand, one hundred forty".