276436240 has 40 divisors (see below), whose sum is σ = 653618880. Its totient is φ = 108698496.

The previous prime is 276436229. The next prime is 276436283. The reversal of 276436240 is 42634672.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 276436196 and 276436205.

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, 24564 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (16340472).

Almost surely, 2^276436240 is an apocalyptic number.

276436240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276436240 is an abundant number, since it is smaller than the sum of its proper divisors (377182640).

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

276436240 is a wasteful number, since it uses less digits than its factorization.

276436240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58639 (or 58633 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 276436240 is about 16626.3718231008. The cubic root of 276436240 is about 651.4258561129.

It can be divided in two parts, 276436 and 240, that added together give a square (276676 = 526²).

The spelling of 276436240 in words is "two hundred seventy-six million, four hundred thirty-six thousand, two hundred forty".