630151640 has 16 divisors (see below), whose sum is σ = 1417841280. Its totient is φ = 252060640.

The previous prime is 630151589. The next prime is 630151649. The reversal of 630151640 is 46151036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630151649) 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, 7876856 + ... + 7876935.

It is an arithmetic number, because the mean of its divisors is an integer number (88615080).

Almost surely, 2^630151640 is an apocalyptic number.

It is an amenable number.

630151640 is an abundant number, since it is smaller than the sum of its proper divisors (787689640).

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

630151640 is a wasteful number, since it uses less digits than its factorization.

630151640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753802 (or 15753798 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 630151640 is about 25102.8213553776. The cubic root of 630151640 is about 857.3306632389.

The spelling of 630151640 in words is "six hundred thirty million, one hundred fifty-one thousand, six hundred forty".