276420631944 has 32 divisors (see below), whose sum is σ = 697510012320. Its totient is φ = 91279086336.

The previous prime is 276420631931. The next prime is 276420631951. The reversal of 276420631944 is 449136024672.

It is a junction number, because it is equal to n+sod(n) for n = 276420631893 and 276420631902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53817649 + ... + 53822784.

It is an arithmetic number, because the mean of its divisors is an integer number (21797187885).

Almost surely, 2^276420631944 is an apocalyptic number.

276420631944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

276420631944 is an abundant number, since it is smaller than the sum of its proper divisors (421089380376).

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

276420631944 is a wasteful number, since it uses less digits than its factorization.

276420631944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107640549 (or 107640545 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 276420631944 in words is "two hundred seventy-six billion, four hundred twenty million, six hundred thirty-one thousand, nine hundred forty-four".