276261040 has 40 divisors (see below), whose sum is σ = 700700688. Its totient is φ = 100458240.

The previous prime is 276261031. The next prime is 276261061. The reversal of 276261040 is 40162672.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156087 + ... + 157846.

Almost surely, 2^276261040 is an apocalyptic number.

276261040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276261040 is an abundant number, since it is smaller than the sum of its proper divisors (424439648).

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

276261040 is a wasteful number, since it uses less digits than its factorization.

276261040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313957 (or 313951 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 276261040 is about 16621.1022498509. The cubic root of 276261040 is about 651.2882066142.

The spelling of 276261040 in words is "two hundred seventy-six million, two hundred sixty-one thousand, forty".