29408997828 has 24 divisors (see below), whose sum is σ = 78423994432. Its totient is φ = 8402570784.

The previous prime is 29408997797. The next prime is 29408997887. The reversal of 29408997828 is 82879980492.

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, 175053475 + ... + 175053642.

Almost surely, 2^29408997828 is an apocalyptic number.

29408997828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29408997828 is an abundant number, since it is smaller than the sum of its proper divisors (49014996604).

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

29408997828 is a wasteful number, since it uses less digits than its factorization.

29408997828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350107131 (or 350107129 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 29408997828 in words is "twenty-nine billion, four hundred eight million, nine hundred ninety-seven thousand, eight hundred twenty-eight".