630292992 has 240 divisors, whose sum is σ = 2015424576. Its totient is φ = 171417600.

The previous prime is 630292991. The next prime is 630293009. The reversal of 630292992 is 299292036.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (630292991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10332642 + ... + 10332702.

Almost surely, 2^630292992 is an apocalyptic number.

630292992 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630292992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007712288).

630292992 is an abundant number, since it is smaller than the sum of its proper divisors (1385131584).

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

630292992 is an equidigital number, since it uses as much as digits as its factorization.

630292992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 630292992 is about 25105.6366579300. The cubic root of 630292992 is about 857.3947622780.

The spelling of 630292992 in words is "six hundred thirty million, two hundred ninety-two thousand, nine hundred ninety-two".