29426894802 has 18 divisors (see below), whose sum is σ = 63759848997. Its totient is φ = 9808722336.

The previous prime is 29426894741. The next prime is 29426894839. The reversal of 29426894802 is 20849862492.

29426894802 is a `hidden beast` number, since 294 + 268 + 94 + 8 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25045911081 + 4380983721 = 158259^2 + 66189^2 .

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=121299.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 707578 + ... + 748010.

Almost surely, 2^29426894802 is an apocalyptic number.

29426894802 is an abundant number, since it is smaller than the sum of its proper divisors (34332954195).

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

29426894802 is an frugal number, since it uses more digits than its factorization.

29426894802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80874 (or 40438 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 29426894802 in words is "twenty-nine billion, four hundred twenty-six million, eight hundred ninety-four thousand, eight hundred two".