109274392656 has 400 divisors, whose sum is σ = 391132674240. Its totient is φ = 28956579840.

The previous prime is 109274392613. The next prime is 109274392681. The reversal of 109274392656 is 656293472901.

109274392656 is a `hidden beast` number, since 109 + 274 + 3 + 9 + 265 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3505716 + ... + 3536748.

Almost surely, 2^109274392656 is an apocalyptic number.

109274392656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109274392656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195566337120).

109274392656 is an abundant number, since it is smaller than the sum of its proper divisors (281858281584).

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

109274392656 is a wasteful number, since it uses less digits than its factorization.

109274392656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31096 (or 31081 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 109274392656 in words is "one hundred nine billion, two hundred seventy-four million, three hundred ninety-two thousand, six hundred fifty-six".