276390046320 has 40 divisors (see below), whose sum is σ = 856809144336. Its totient is φ = 73704012288.

The previous prime is 276390046319. The next prime is 276390046327. The reversal of 276390046320 is 23640093672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276390046327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575812357 + ... + 575812836.

Almost surely, 2^276390046320 is an apocalyptic number.

276390046320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276390046320 is an abundant number, since it is smaller than the sum of its proper divisors (580419098016).

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

276390046320 is a wasteful number, since it uses less digits than its factorization.

276390046320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151625209 (or 1151625203 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 276390046320 in words is "two hundred seventy-six billion, three hundred ninety million, forty-six thousand, three hundred twenty".