8415898540 has 48 divisors (see below), whose sum is σ = 20209803264. Its totient is φ = 2883787200.

The previous prime is 8415898531. The next prime is 8415898573. The reversal of 8415898540 is 458985148.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239925 + ... + 272755.

It is an arithmetic number, because the mean of its divisors is an integer number (421037568).

Almost surely, 2^8415898540 is an apocalyptic number.

It is an amenable number.

8415898540 is an abundant number, since it is smaller than the sum of its proper divisors (11793904724).

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

8415898540 is a wasteful number, since it uses less digits than its factorization.

8415898540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34678 (or 34676 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The square root of 8415898540 is about 91738.2065444927. The cubic root of 8415898540 is about 2034.0743830011.

The spelling of 8415898540 in words is "eight billion, four hundred fifteen million, eight hundred ninety-eight thousand, five hundred forty".