29791938396 has 48 divisors (see below), whose sum is σ = 75847258368. Its totient is φ = 9026284800.

The previous prime is 29791938349. The next prime is 29791938427. The reversal of 29791938396 is 69383919792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902641 + ... + 935063.

It is an arithmetic number, because the mean of its divisors is an integer number (1580151216).

Almost surely, 2^29791938396 is an apocalyptic number.

It is an amenable number.

29791938396 is an abundant number, since it is smaller than the sum of its proper divisors (46055319972).

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

29791938396 is a wasteful number, since it uses less digits than its factorization.

29791938396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39402 (or 39400 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 66.

The spelling of 29791938396 in words is "twenty-nine billion, seven hundred ninety-one million, nine hundred thirty-eight thousand, three hundred ninety-six".