2440023912 has 80 divisors (see below), whose sum is σ = 6946476900. Its totient is φ = 799994880.

The previous prime is 2440023907. The next prime is 2440023913. The reversal of 2440023912 is 2193200442.

2440023912 is a `hidden beast` number, since 24 + 400 + 239 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2437791876 + 2232036 = 49374^2 + 1494^2 .

It is a super-2 number, since 2×2440023912² = 11907433382263567488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2440023913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8664 + ... + 70392.

Almost surely, 2^2440023912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440023912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3473238450).

2440023912 is an abundant number, since it is smaller than the sum of its proper divisors (4506452988).

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

2440023912 is a wasteful number, since it uses less digits than its factorization.

2440023912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61808 (or 61795 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2440023912 is about 49396.5981824660. The cubic root of 2440023912 is about 1346.2674972315.

The spelling of 2440023912 in words is "two billion, four hundred forty million, twenty-three thousand, nine hundred twelve".