629409480 has 64 divisors (see below), whose sum is σ = 2157978240. Its totient is φ = 143864832.

The previous prime is 629409449. The next prime is 629409497. The reversal of 629409480 is 84904926.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373809 + ... + 375488.

It is an arithmetic number, because the mean of its divisors is an integer number (33718410).

Almost surely, 2^629409480 is an apocalyptic number.

629409480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

629409480 is an abundant number, since it is smaller than the sum of its proper divisors (1528568760).

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

629409480 is a wasteful number, since it uses less digits than its factorization.

629409480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749318 (or 749314 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 629409480 is about 25088.0345981904. The cubic root of 629409480 is about 856.9939577861.

The spelling of 629409480 in words is "six hundred twenty-nine million, four hundred nine thousand, four hundred eighty".