2447042040 has 192 divisors, whose sum is σ = 8493638400. Its totient is φ = 609638400.

The previous prime is 2447042029. The next prime is 2447042063. The reversal of 2447042040 is 402407442.

It is a junction number, because it is equal to n+sod(n) for n = 2447041995 and 2447042013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319860 + ... + 327420.

It is an arithmetic number, because the mean of its divisors is an integer number (44237700).

Almost surely, 2^2447042040 is an apocalyptic number.

2447042040 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 2447042040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4246819200).

2447042040 is an abundant number, since it is smaller than the sum of its proper divisors (6046596360).

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

2447042040 is a wasteful number, since it uses less digits than its factorization.

2447042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 2447042040 is about 49467.5857506711. The cubic root of 2447042040 is about 1347.5569973699.

Adding to 2447042040 its reverse (402407442), we get a palindrome (2849449482).

The spelling of 2447042040 in words is "two billion, four hundred forty-seven million, forty-two thousand, forty".