2440047456 has 192 divisors, whose sum is σ = 8873141760. Its totient is φ = 633761280.

The previous prime is 2440047433. The next prime is 2440047457. The reversal of 2440047456 is 6547400442.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2440047456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440047457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48190 + ... + 84866.

It is an arithmetic number, because the mean of its divisors is an integer number (46214280).

Almost surely, 2^2440047456 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 2440047456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4436570880).

2440047456 is an abundant number, since it is smaller than the sum of its proper divisors (6433094304).

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

2440047456 is a wasteful number, since it uses less digits than its factorization.

2440047456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36714 (or 36700 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 2440047456 is about 49396.8364978973. The cubic root of 2440047456 is about 1346.2718273011.

Adding to 2440047456 its reverse (6547400442), we get a palindrome (8987447898).

The spelling of 2440047456 in words is "two billion, four hundred forty million, forty-seven thousand, four hundred fifty-six".