29878025442 has 8 divisors (see below), whose sum is σ = 59756050896. Its totient is φ = 9959341812.

The previous prime is 29878025423. The next prime is 29878025467. The reversal of 29878025442 is 24452087892.

It is a sphenic number, since it is the product of 3 distinct primes.

29878025442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489835448 + ... + 2489835459.

It is an arithmetic number, because the mean of its divisors is an integer number (7469506362).

Almost surely, 2^29878025442 is an apocalyptic number.

29878025442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29878025442 is a wasteful number, since it uses less digits than its factorization.

29878025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979670912.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 29878025442 in words is "twenty-nine billion, eight hundred seventy-eight million, twenty-five thousand, four hundred forty-two".