29274494256 has 160 divisors (see below), whose sum is σ = 98266488320. Its totient is φ = 8169590016.

The previous prime is 29274494243. The next prime is 29274494261. The reversal of 29274494256 is 65249447292.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17466 + ... + 242598.

It is an arithmetic number, because the mean of its divisors is an integer number (614165552).

Almost surely, 2^29274494256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29274494256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49133244160).

29274494256 is an abundant number, since it is smaller than the sum of its proper divisors (68991994064).

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

29274494256 is a wasteful number, since it uses less digits than its factorization.

29274494256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225200 (or 225188 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 29274494256 in words is "twenty-nine billion, two hundred seventy-four million, four hundred ninety-four thousand, two hundred fifty-six".