3525390644 has 12 divisors (see below), whose sum is σ = 6494140800. Its totient is φ = 1669921848.

The previous prime is 3525390643. The next prime is 3525390653. The reversal of 3525390644 is 4460935253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525390643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23193284 + ... + 23193435.

It is an arithmetic number, because the mean of its divisors is an integer number (541178400).

Almost surely, 2^3525390644 is an apocalyptic number.

It is an amenable number.

3525390644 is a deficient number, since it is larger than the sum of its proper divisors (2968750156).

3525390644 is a wasteful number, since it uses less digits than its factorization.

3525390644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46386742 (or 46386740 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 3525390644 is about 59375.0001600000. Note that the first 3 decimals coincide. The cubic root of 3525390644 is about 1521.9571171372.

The spelling of 3525390644 in words is "three billion, five hundred twenty-five million, three hundred ninety thousand, six hundred forty-four".