274245043400 has 96 divisors (see below), whose sum is σ = 655931816040. Its totient is φ = 106557327360.

The previous prime is 274245043399. The next prime is 274245043403. The reversal of 274245043400 is 4340542472.

It can be written as a sum of positive squares in 12 ways, for example, as 13350878116 + 260894165284 = 115546^2 + 510778^2 .

It is not an unprimeable number, because it can be changed into a prime (274245043403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4505972 + ... + 4566428.

Almost surely, 2^274245043400 is an apocalyptic number.

274245043400 is a gapful number since it is divisible by the number (20) 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 274245043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327965908020).

274245043400 is an abundant number, since it is smaller than the sum of its proper divisors (381686772640).

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

274245043400 is a wasteful number, since it uses less digits than its factorization.

274245043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61123 (or 61114 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 35.

Adding to 274245043400 its reverse (4340542472), we get a palindrome (278585585872).

The spelling of 274245043400 in words is "two hundred seventy-four billion, two hundred forty-five million, forty-three thousand, four hundred".