485276840 has 32 divisors (see below), whose sum is σ = 1092566880. Its totient is φ = 193987392.

The previous prime is 485276809. The next prime is 485276843. The reversal of 485276840 is 48672584.

It is a Cunningham number, because it is equal to 22029²-1.

It is a super-2 number, since 2×485276840² = 470987222880771200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 485276791 and 485276800.

It is not an unprimeable number, because it can be changed into a prime (485276843) 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, 85367 + ... + 90873.

It is an arithmetic number, because the mean of its divisors is an integer number (34142715).

Almost surely, 2^485276840 is an apocalyptic number.

485276840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485276840 is an abundant number, since it is smaller than the sum of its proper divisors (607290040).

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

485276840 is a wasteful number, since it uses less digits than its factorization.

485276840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 485276840 is about 22028.9999773026. Note that the first 4 decimals coincide. The cubic root of 485276840 is about 785.8322626781.

The spelling of 485276840 in words is "four hundred eighty-five million, two hundred seventy-six thousand, eight hundred forty".