2440075478 has 4 divisors (see below), whose sum is σ = 3660113220. Its totient is φ = 1220037738.

The previous prime is 2440075471. The next prime is 2440075487. The reversal of 2440075478 is 8745700442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440075471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610018868 + ... + 610018871.

It is an arithmetic number, because the mean of its divisors is an integer number (915028305).

Almost surely, 2^2440075478 is an apocalyptic number.

2440075478 is a deficient number, since it is larger than the sum of its proper divisors (1220037742).

2440075478 is a wasteful number, since it uses less digits than its factorization.

2440075478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220037741.

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 2440075478 is about 49397.1201387287. The cubic root of 2440075478 is about 1346.2769809009.

The spelling of 2440075478 in words is "two billion, four hundred forty million, seventy-five thousand, four hundred seventy-eight".