629400623684 has 48 divisors (see below), whose sum is σ = 1345569152256. Its totient is φ = 251722099200.

The previous prime is 629400623641. The next prime is 629400623689. The reversal of 629400623684 is 486326004926.

It is a happy number.

It is a super-2 number, since 2×629400623684² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (629400623689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11892257 + ... + 11945064.

It is an arithmetic number, because the mean of its divisors is an integer number (28032690672).

Almost surely, 2^629400623684 is an apocalyptic number.

It is an amenable number.

629400623684 is an abundant number, since it is smaller than the sum of its proper divisors (716168528572).

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

629400623684 is a wasteful number, since it uses less digits than its factorization.

629400623684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23837396 (or 23837394 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 629400623684 in words is "six hundred twenty-nine billion, four hundred million, six hundred twenty-three thousand, six hundred eighty-four".