1629936456 has 16 divisors (see below), whose sum is σ = 4074841200. Its totient is φ = 543312144.

The previous prime is 1629936437. The next prime is 1629936461. The reversal of 1629936456 is 6546399261.

It is a junction number, because it is equal to n+sod(n) for n = 1629936399 and 1629936408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33956986 + ... + 33957033.

It is an arithmetic number, because the mean of its divisors is an integer number (254677575).

Almost surely, 2^1629936456 is an apocalyptic number.

It is an amenable number.

1629936456 is an abundant number, since it is smaller than the sum of its proper divisors (2444904744).

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

1629936456 is a wasteful number, since it uses less digits than its factorization.

1629936456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67914028 (or 67914024 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 1629936456 is about 40372.4715121579. The cubic root of 1629936456 is about 1176.8566286232.

The spelling of 1629936456 in words is "one billion, six hundred twenty-nine million, nine hundred thirty-six thousand, four hundred fifty-six".