629546480640 has 2816 divisors, whose sum is σ = 3056154624000. Its totient is φ = 121385779200.

The previous prime is 629546480593. The next prime is 629546480653. The reversal of 629546480640 is 46084645926.

629546480640 is a `hidden beast` number, since 62 + 9 + 5 + 46 + 480 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2816).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8866851805 + ... + 8866851875.

Almost surely, 2^629546480640 is an apocalyptic number.

629546480640 is a gapful number since it is divisible by the number (60) 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 629546480640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528077312000).

629546480640 is an abundant number, since it is smaller than the sum of its proper divisors (2426608143360).

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

629546480640 is a wasteful number, since it uses less digits than its factorization.

629546480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 629546480640 in words is "six hundred twenty-nine billion, five hundred forty-six million, four hundred eighty thousand, six hundred forty".