2440042424 has 8 divisors (see below), whose sum is σ = 4575079560. Its totient is φ = 1220021208.

The previous prime is 2440042417. The next prime is 2440042481. The reversal of 2440042424 is 4242400442.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2440042393 and 2440042402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152502644 + ... + 152502659.

It is an arithmetic number, because the mean of its divisors is an integer number (571884945).

Almost surely, 2^2440042424 is an apocalyptic number.

It is an amenable number.

2440042424 is a deficient number, since it is larger than the sum of its proper divisors (2135037136).

2440042424 is a wasteful number, since it uses less digits than its factorization.

2440042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305005309 (or 305005305 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2440042424 is about 49396.7855634352. The cubic root of 2440042424 is about 1346.2709018485.

Adding to 2440042424 its reverse (4242400442), we get a palindrome (6682442866).

The spelling of 2440042424 in words is "two billion, four hundred forty million, forty-two thousand, four hundred twenty-four".