485511240 has 32 divisors (see below), whose sum is σ = 1456534080. Its totient is φ = 129469632.

The previous prime is 485511137. The next prime is 485511263. The reversal of 485511240 is 42115584.

It is a super-3 number, since 3×485511240³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 485511198 and 485511207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022844 + ... + 2023083.

It is an arithmetic number, because the mean of its divisors is an integer number (45516690).

Almost surely, 2^485511240 is an apocalyptic number.

485511240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485511240 is an abundant number, since it is smaller than the sum of its proper divisors (971022840).

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

485511240 is a wasteful number, since it uses less digits than its factorization.

485511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045941 (or 4045937 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 485511240 is about 22034.3195946687. The cubic root of 485511240 is about 785.9587673985.

The spelling of 485511240 in words is "four hundred eighty-five million, five hundred eleven thousand, two hundred forty".