274106386398 has 64 divisors (see below), whose sum is σ = 600536188224. Its totient is φ = 82892160000.

The previous prime is 274106386387. The next prime is 274106386399. The reversal of 274106386398 is 893683601472.

It is a super-2 number, since 2×274106386398² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274106386399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6168018 + ... + 6212298.

It is an arithmetic number, because the mean of its divisors is an integer number (9383377941).

Almost surely, 2^274106386398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274106386398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300268094112).

274106386398 is an abundant number, since it is smaller than the sum of its proper divisors (326429801826).

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

274106386398 is a wasteful number, since it uses less digits than its factorization.

274106386398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45661.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 274106386398 in words is "two hundred seventy-four billion, one hundred six million, three hundred eighty-six thousand, three hundred ninety-eight".