280376638316 has 12 divisors (see below), whose sum is σ = 490663053888. Its totient is φ = 140187194352.

The previous prime is 280376638301. The next prime is 280376638319. The reversal of 280376638316 is 613836673082.

It is a super-2 number, since 2×280376638316² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (280376638319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557765 + ... + 933731.

It is an arithmetic number, because the mean of its divisors is an integer number (40888587824).

Almost surely, 2^280376638316 is an apocalyptic number.

It is an amenable number.

280376638316 is a deficient number, since it is larger than the sum of its proper divisors (210286415572).

280376638316 is a wasteful number, since it uses less digits than its factorization.

280376638316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562408 (or 562406 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 280376638316 in words is "two hundred eighty billion, three hundred seventy-six million, six hundred thirty-eight thousand, three hundred sixteen".