629445264 has 160 divisors (see below), whose sum is σ = 1979873280. Its totient is φ = 168216576.

The previous prime is 629445263. The next prime is 629445293. The reversal of 629445264 is 462544926.

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 (629445263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502047 + ... + 1502465.

It is an arithmetic number, because the mean of its divisors is an integer number (12374208).

Almost surely, 2^629445264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629445264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989936640).

629445264 is an abundant number, since it is smaller than the sum of its proper divisors (1350428016).

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

629445264 is a wasteful number, since it uses less digits than its factorization.

629445264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 711 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 629445264 is about 25088.7477567136. The cubic root of 629445264 is about 857.0101984538.

The spelling of 629445264 in words is "six hundred twenty-nine million, four hundred forty-five thousand, two hundred sixty-four".