29840152251 has 96 divisors (see below), whose sum is σ = 52656764160. Its totient is φ = 14857323264.

The previous prime is 29840152211. The next prime is 29840152253. The reversal of 29840152251 is 15225104892.

It is not a de Polignac number, because 29840152251 - 2⁷ = 29840152123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (29840152253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11145525 + ... + 11148201.

It is an arithmetic number, because the mean of its divisors is an integer number (548507960).

Almost surely, 2^29840152251 is an apocalyptic number.

29840152251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29840152251 is a deficient number, since it is larger than the sum of its proper divisors (22816611909).

29840152251 is a wasteful number, since it uses less digits than its factorization.

29840152251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 29840152251 in words is "twenty-nine billion, eight hundred forty million, one hundred fifty-two thousand, two hundred fifty-one".