276445432 has 16 divisors (see below), whose sum is σ = 548825760. Its totient is φ = 130091904.

The previous prime is 276445397. The next prime is 276445451. The reversal of 276445432 is 234544672.

It is a junction number, because it is equal to n+sod(n) for n = 276445391 and 276445400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016208 + ... + 1016479.

It is an arithmetic number, because the mean of its divisors is an integer number (34301610).

Almost surely, 2^276445432 is an apocalyptic number.

It is an amenable number.

276445432 is a deficient number, since it is larger than the sum of its proper divisors (272380328).

276445432 is a wasteful number, since it uses less digits than its factorization.

276445432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032710 (or 2032706 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 276445432 is about 16626.6482491210. The cubic root of 276445432 is about 651.4330763916.

The spelling of 276445432 in words is "two hundred seventy-six million, four hundred forty-five thousand, four hundred thirty-two".