29001408804 has 45 divisors (see below), whose sum is σ = 75823425601. Its totient is φ = 9666114480.

The previous prime is 29001408767. The next prime is 29001408811. The reversal of 29001408804 is 40880410092.

The square root of 29001408804 is 170298.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21844248804 + 7157160000 = 147798^2 + 84600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3060634 + ... + 3070094.

Almost surely, 2^29001408804 is an apocalyptic number.

29001408804 is the 170298-th square number.

It is an amenable number.

29001408804 is an abundant number, since it is smaller than the sum of its proper divisors (46822016797).

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

29001408804 is an frugal number, since it uses more digits than its factorization.

29001408804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18938 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

Multiplying 29001408804 by its sum of digits (36), we get a square (1044050716944 = 1021788²).

29001408804 divided by its sum of digits (36) gives a square (805594689 = 28383²).

Adding to 29001408804 its reverse (40880410092), we get a palindrome (69881818896).

The spelling of 29001408804 in words is "twenty-nine billion, one million, four hundred eight thousand, eight hundred four".