29542809642 has 32 divisors (see below), whose sum is σ = 62350585920. Its totient is φ = 9306028800.

The previous prime is 29542809601. The next prime is 29542809671. The reversal of 29542809642 is 24690824592.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277413 + ... + 368840.

It is an arithmetic number, because the mean of its divisors is an integer number (1948455810).

Almost surely, 2^29542809642 is an apocalyptic number.

29542809642 is an abundant number, since it is smaller than the sum of its proper divisors (32807776278).

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

29542809642 is a wasteful number, since it uses less digits than its factorization.

29542809642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646678.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 29542809642 in words is "twenty-nine billion, five hundred forty-two million, eight hundred nine thousand, six hundred forty-two".