909484540 has 12 divisors (see below), whose sum is σ = 1909917576. Its totient is φ = 363793808.

The previous prime is 909484523. The next prime is 909484549. The reversal of 909484540 is 45484909.

It is a super-3 number, since 3×909484540³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909484549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22737094 + ... + 22737133.

It is an arithmetic number, because the mean of its divisors is an integer number (159159798).

Almost surely, 2^909484540 is an apocalyptic number.

It is an amenable number.

909484540 is an abundant number, since it is smaller than the sum of its proper divisors (1000433036).

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

909484540 is a wasteful number, since it uses less digits than its factorization.

909484540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45474236 (or 45474234 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 909484540 is about 30157.6613814798. The cubic root of 909484540 is about 968.8691039686.

The spelling of 909484540 in words is "nine hundred nine million, four hundred eighty-four thousand, five hundred forty".