274285587996 has 144 divisors (see below), whose sum is σ = 820093659840. Its totient is φ = 75629030400.

The previous prime is 274285587869. The next prime is 274285588007. The reversal of 274285587996 is 699785582472.

274285587996 is a `hidden beast` number, since 27 + 42 + 8 + 558 + 7 + 9 + 9 + 6 = 666.

It is a super-2 number, since 2×274285587996² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17801896 + ... + 17817296.

It is an arithmetic number, because the mean of its divisors is an integer number (5695094860).

Almost surely, 2^274285587996 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 274285587996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410046829920).

274285587996 is an abundant number, since it is smaller than the sum of its proper divisors (545808071844).

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

274285587996 is a wasteful number, since it uses less digits than its factorization.

274285587996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17884 (or 17879 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 274285587996 in words is "two hundred seventy-four billion, two hundred eighty-five million, five hundred eighty-seven thousand, nine hundred ninety-six".