276434464 has 48 divisors (see below), whose sum is σ = 562910040. Its totient is φ = 133539840.

The previous prime is 276434449. The next prime is 276434489. The reversal of 276434464 is 464434672.

It can be written as a sum of positive squares in 4 ways, for example, as 217267600 + 59166864 = 14740^2 + 7692^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142042 + ... + 143974.

Almost surely, 2^276434464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276434464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281455020).

276434464 is an abundant number, since it is smaller than the sum of its proper divisors (286475576).

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

276434464 is a wasteful number, since it uses less digits than its factorization.

276434464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2085 counting only the distinct ones).

The product of its digits is 387072, while the sum is 40.

The square root of 276434464 is about 16626.3184138883. The cubic root of 276434464 is about 651.4244610537.

The spelling of 276434464 in words is "two hundred seventy-six million, four hundred thirty-four thousand, four hundred sixty-four".