2440415 has 8 divisors (see below), whose sum is σ = 3055968. Its totient is φ = 1867360.

The previous prime is 2440411. The next prime is 2440421. The reversal of 2440415 is 5140442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440415 - 2² = 2440411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10496 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (381996).

2^2440415 is an apocalyptic number.

2440415 is a deficient number, since it is larger than the sum of its proper divisors (615553).

2440415 is a wasteful number, since it uses less digits than its factorization.

2440415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21249.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2440415 is about 1562.1827677964. The cubic root of 2440415 is about 134.6339420152.

Adding to 2440415 its reverse (5140442), we get a palindrome (7580857).

The spelling of 2440415 in words is "two million, four hundred forty thousand, four hundred fifteen".