29896053408 has 144 divisors (see below), whose sum is σ = 93686392800. Its totient is φ = 8984812032.

The previous prime is 29896053373. The next prime is 29896053413. The reversal of 29896053408 is 80435069892.

29896053408 is a `hidden beast` number, since 29 + 8 + 9 + 605 + 3 + 4 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68143 + ... + 253841.

It is an arithmetic number, because the mean of its divisors is an integer number (650599950).

Almost surely, 2^29896053408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29896053408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46843196400).

29896053408 is an abundant number, since it is smaller than the sum of its proper divisors (63790339392).

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

29896053408 is a wasteful number, since it uses less digits than its factorization.

29896053408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185771 (or 185760 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 29896053408 in words is "twenty-nine billion, eight hundred ninety-six million, fifty-three thousand, four hundred eight".