2415232440 has 96 divisors (see below), whose sum is σ = 7881073200. Its totient is φ = 641472000.

The previous prime is 2415232439. The next prime is 2415232499. The reversal of 2415232440 is 442325142.

2415232440 is a `hidden beast` number, since 2 + 415 + 2 + 3 + 244 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76996 + ... + 103724.

Almost surely, 2^2415232440 is an apocalyptic number.

2415232440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2415232440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3940536600).

2415232440 is an abundant number, since it is smaller than the sum of its proper divisors (5465840760).

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

2415232440 is a wasteful number, since it uses less digits than its factorization.

2415232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26997 (or 26990 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2415232440 is about 49145.0143961725. The cubic root of 2415232440 is about 1341.6924556767.

Adding to 2415232440 its reverse (442325142), we get a palindrome (2857557582).

The spelling of 2415232440 in words is "two billion, four hundred fifteen million, two hundred thirty-two thousand, four hundred forty".