29879196240 has 80 divisors (see below), whose sum is σ = 95613451776. Its totient is φ = 7710758400.

The previous prime is 29879196239. The next prime is 29879196253. The reversal of 29879196240 is 4269197892.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000571 + ... + 2015450.

Almost surely, 2^29879196240 is an apocalyptic number.

29879196240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29879196240 is an abundant number, since it is smaller than the sum of its proper divisors (65734255536).

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

29879196240 is a wasteful number, since it uses less digits than its factorization.

29879196240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016068 (or 4016062 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 29879196240 in words is "twenty-nine billion, eight hundred seventy-nine million, one hundred ninety-six thousand, two hundred forty".