415478540 has 24 divisors (see below), whose sum is σ = 872888352. Its totient is φ = 166118400.

The previous prime is 415478537. The next prime is 415478561. The reversal of 415478540 is 45874514.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 415478494 and 415478503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84140 + ... + 88940.

It is an arithmetic number, because the mean of its divisors is an integer number (36370348).

Almost surely, 2^415478540 is an apocalyptic number.

It is an amenable number.

415478540 is an abundant number, since it is smaller than the sum of its proper divisors (457409812).

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

415478540 is a wasteful number, since it uses less digits than its factorization.

415478540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137 (or 9135 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 415478540 is about 20383.2907058698. The cubic root of 415478540 is about 746.1901850344.

The spelling of 415478540 in words is "four hundred fifteen million, four hundred seventy-eight thousand, five hundred forty".