629840571492 has 24 divisors (see below), whose sum is σ = 1603230545952. Its totient is φ = 190860779200.

The previous prime is 629840571431. The next prime is 629840571509. The reversal of 629840571492 is 294175048926.

It is a super-3 number, since 3×629840571492³ (a number of 36 digits) contains 333 as substring.

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, 2385759609 + ... + 2385759872.

It is an arithmetic number, because the mean of its divisors is an integer number (66801272748).

Almost surely, 2^629840571492 is an apocalyptic number.

It is an amenable number.

629840571492 is an abundant number, since it is smaller than the sum of its proper divisors (973389974460).

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

629840571492 is a wasteful number, since it uses less digits than its factorization.

629840571492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771519499 (or 4771519497 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 629840571492 in words is "six hundred twenty-nine billion, eight hundred forty million, five hundred seventy-one thousand, four hundred ninety-two".