8915452440 has 64 divisors (see below), whose sum is σ = 27609154560. Its totient is φ = 2300760960.

The previous prime is 8915452439. The next prime is 8915452493. The reversal of 8915452440 is 442545198.

It is a junction number, because it is equal to n+sod(n) for n = 8915452392 and 8915452401.

It is a congruent 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, 1194594 + ... + 1202033.

It is an arithmetic number, because the mean of its divisors is an integer number (431393040).

Almost surely, 2^8915452440 is an apocalyptic number.

It is an amenable number.

8915452440 is an abundant number, since it is smaller than the sum of its proper divisors (18693702120).

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

8915452440 is a wasteful number, since it uses less digits than its factorization.

8915452440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396672 (or 2396668 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 8915452440 is about 94421.6735712728. The cubic root of 8915452440 is about 2073.5497634464.

The spelling of 8915452440 in words is "eight billion, nine hundred fifteen million, four hundred fifty-two thousand, four hundred forty".