630366340 has 24 divisors (see below), whose sum is σ = 1324312920. Its totient is φ = 252043008.

The previous prime is 630366323. The next prime is 630366343. The reversal of 630366340 is 43663036.

It can be written as a sum of positive squares in 4 ways, for example, as 266930244 + 363436096 = 16338^2 + 19064^2 .

It is not an unprimeable number, because it can be changed into a prime (630366343) 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, 60216 + ... + 69904.

It is an arithmetic number, because the mean of its divisors is an integer number (55179705).

Almost surely, 2^630366340 is an apocalyptic number.

It is an amenable number.

630366340 is an abundant number, since it is smaller than the sum of its proper divisors (693946580).

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

630366340 is a wasteful number, since it uses less digits than its factorization.

630366340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951 (or 12949 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 630366340 is about 25107.0974029257. The cubic root of 630366340 is about 857.4280196956.

The spelling of 630366340 in words is "six hundred thirty million, three hundred sixty-six thousand, three hundred forty".