629329242840 has 32 divisors (see below), whose sum is σ = 1887987728880. Its totient is φ = 167821131392.

The previous prime is 629329242823. The next prime is 629329242853. The reversal of 629329242840 is 48242923926.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622205059 + ... + 2622205298.

Almost surely, 2^629329242840 is an apocalyptic number.

629329242840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

629329242840 is an abundant number, since it is smaller than the sum of its proper divisors (1258658486040).

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

629329242840 is a wasteful number, since it uses less digits than its factorization.

629329242840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244410371 (or 5244410367 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 629329242840 in words is "six hundred twenty-nine billion, three hundred twenty-nine million, two hundred forty-two thousand, eight hundred forty".