273228840 has 48 divisors (see below), whose sum is σ = 887994900. Its totient is φ = 72860928.

The previous prime is 273228763. The next prime is 273228869. The reversal of 273228840 is 48822372.

It can be written as a sum of positive squares in 2 ways, for example, as 271656324 + 1572516 = 16482^2 + 1254^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 273228795 and 273228804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379125 + ... + 379844.

Almost surely, 2^273228840 is an apocalyptic number.

273228840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273228840 is an abundant number, since it is smaller than the sum of its proper divisors (614766060).

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

273228840 is a wasteful number, since it uses less digits than its factorization.

273228840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758986 (or 758979 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 273228840 is about 16529.6352046862. The cubic root of 273228840 is about 648.8966211644.

The spelling of 273228840 in words is "two hundred seventy-three million, two hundred twenty-eight thousand, eight hundred forty".