274140400 has 60 divisors (see below), whose sum is σ = 676459432. Its totient is φ = 106686720.

The previous prime is 274140397. The next prime is 274140407. The reversal of 274140400 is 4041472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274140407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5539 + ... + 24061.

Almost surely, 2^274140400 is an apocalyptic number.

274140400 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 274140400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338229716).

274140400 is an abundant number, since it is smaller than the sum of its proper divisors (402319032).

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

274140400 is a wasteful number, since it uses less digits than its factorization.

274140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18578 (or 18567 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 274140400 is about 16557.1857512078. The cubic root of 274140400 is about 649.6174474796.

Adding to 274140400 its reverse (4041472), we get a palindrome (278181872).

The spelling of 274140400 in words is "two hundred seventy-four million, one hundred forty thousand, four hundred".