29142291042 has 18 divisors (see below), whose sum is σ = 63143199873. Its totient is φ = 9713855592.

The previous prime is 29142291041. The next prime is 29142291043. The reversal of 29142291042 is 24019224192.

29142291042 is a `hidden beast` number, since 291 + 42 + 291 + 0 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (29142291041) and next prime (29142291043).

It can be written as a sum of positive squares in 2 ways, for example, as 27050051961 + 2092239081 = 164469^2 + 45741^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=120711.

It is a junction number, because it is equal to n+sod(n) for n = 29142290988 and 29142291006.

It is not an unprimeable number, because it can be changed into a prime (29142291041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 704148 + ... + 744384.

Almost surely, 2^29142291042 is an apocalyptic number.

29142291042 is an abundant number, since it is smaller than the sum of its proper divisors (34000908831).

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

29142291042 is an frugal number, since it uses more digits than its factorization.

29142291042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80482 (or 40242 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 29142291042 in words is "twenty-nine billion, one hundred forty-two million, two hundred ninety-one thousand, forty-two".