632649190 has 16 divisors (see below), whose sum is σ = 1143204192. Its totient is φ = 252073984.

The previous prime is 632649179. The next prime is 632649197. The reversal of 632649190 is 91946236.

It is a super-2 number, since 2×632649190² = 800489995215312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632649197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120514 + ... + 125653.

It is an arithmetic number, because the mean of its divisors is an integer number (71450262).

Almost surely, 2^632649190 is an apocalyptic number.

632649190 is a deficient number, since it is larger than the sum of its proper divisors (510555002).

632649190 is a wasteful number, since it uses less digits than its factorization.

632649190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246431.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 632649190 is about 25152.5185617663. The cubic root of 632649190 is about 858.4618214244.

The spelling of 632649190 in words is "six hundred thirty-two million, six hundred forty-nine thousand, one hundred ninety".