274278480 has 240 divisors, whose sum is σ = 1004560704. Its totient is φ = 61716480.

The previous prime is 274278469. The next prime is 274278523. The reversal of 274278480 is 84872472.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×274278480² = 150457369182220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 975940 + ... + 976220.

Almost surely, 2^274278480 is an apocalyptic number.

274278480 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 274278480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502280352).

274278480 is an abundant number, since it is smaller than the sum of its proper divisors (730282224).

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

274278480 is a wasteful number, since it uses less digits than its factorization.

274278480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 274278480 is about 16561.3550170268. The cubic root of 274278480 is about 649.7264963725.

The spelling of 274278480 in words is "two hundred seventy-four million, two hundred seventy-eight thousand, four hundred eighty".