2415534440 has 64 divisors (see below), whose sum is σ = 5935032000. Its totient is φ = 877488640.

The previous prime is 2415534421. The next prime is 2415534461. The reversal of 2415534440 is 444355142.

2415534440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2415534440² = 11669613261652227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2415534397 and 2415534406.

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, 565031 + ... + 569289.

It is an arithmetic number, because the mean of its divisors is an integer number (92734875).

Almost surely, 2^2415534440 is an apocalyptic number.

2415534440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2415534440 is an abundant number, since it is smaller than the sum of its proper divisors (3519497560).

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

2415534440 is a wasteful number, since it uses less digits than its factorization.

2415534440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2415534440 is about 49148.0868396726. The cubic root of 2415534440 is about 1341.7483749646.

Adding to 2415534440 its reverse (444355142), we get a palindrome (2859889582).

The spelling of 2415534440 in words is "two billion, four hundred fifteen million, five hundred thirty-four thousand, four hundred forty".