3645241240 has 16 divisors (see below), whose sum is σ = 8201792880. Its totient is φ = 1458096480.

The previous prime is 3645241211. The next prime is 3645241267. The reversal of 3645241240 is 421425463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45565476 + ... + 45565555.

It is an arithmetic number, because the mean of its divisors is an integer number (512612055).

Almost surely, 2^3645241240 is an apocalyptic number.

It is an amenable number.

3645241240 is an abundant number, since it is smaller than the sum of its proper divisors (4556551640).

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

3645241240 is a wasteful number, since it uses less digits than its factorization.

3645241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91131042 (or 91131038 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 3645241240 is about 60375.8332447677. The cubic root of 3645241240 is about 1539.0123030787.

The spelling of 3645241240 in words is "three billion, six hundred forty-five million, two hundred forty-one thousand, two hundred forty".