29942155492 has 12 divisors (see below), whose sum is σ = 52673112576. Its totient is φ = 14892694760.

The previous prime is 29942155487. The next prime is 29942155511. The reversal of 29942155492 is 29455124992.

It is a happy 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, 19594888 + ... + 19596415.

It is an arithmetic number, because the mean of its divisors is an integer number (4389426048).

Almost surely, 2^29942155492 is an apocalyptic number.

It is an amenable number.

29942155492 is a deficient number, since it is larger than the sum of its proper divisors (22730957084).

29942155492 is a wasteful number, since it uses less digits than its factorization.

29942155492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39191498 (or 39191496 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 29942155492 in words is "twenty-nine billion, nine hundred forty-two million, one hundred fifty-five thousand, four hundred ninety-two".