415415540 has 12 divisors (see below), whose sum is σ = 872372676. Its totient is φ = 166166208.

The previous prime is 415415527. The next prime is 415415557. The reversal of 415415540 is 45514514.

It can be written as a sum of positive squares in 2 ways, for example, as 62125924 + 353289616 = 7882^2 + 18796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10385369 + ... + 10385408.

It is an arithmetic number, because the mean of its divisors is an integer number (72697723).

Almost surely, 2^415415540 is an apocalyptic number.

It is an amenable number.

415415540 is an abundant number, since it is smaller than the sum of its proper divisors (456957136).

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

415415540 is a wasteful number, since it uses less digits than its factorization.

415415540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20770786 (or 20770784 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 415415540 is about 20381.7452638384. The cubic root of 415415540 is about 746.1524675967.

The spelling of 415415540 in words is "four hundred fifteen million, four hundred fifteen thousand, five hundred forty".