274949194464 has 144 divisors (see below), whose sum is σ = 895945115520. Its totient is φ = 78349420800.

The previous prime is 274949194393. The next prime is 274949194511. The reversal of 274949194464 is 464491949472.

274949194464 is a `hidden beast` number, since 2 + 7 + 49 + 49 + 1 + 94 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584139 + ... + 943989.

It is an arithmetic number, because the mean of its divisors is an integer number (6221841080).

Almost surely, 2^274949194464 is an apocalyptic number.

274949194464 is a gapful number since it is divisible by the number (24) 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 274949194464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447972557760).

274949194464 is an abundant number, since it is smaller than the sum of its proper divisors (620995921056).

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

274949194464 is a wasteful number, since it uses less digits than its factorization.

274949194464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360253 (or 360242 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 274949194464 in words is "two hundred seventy-four billion, nine hundred forty-nine million, one hundred ninety-four thousand, four hundred sixty-four".