7422442040 has 64 divisors (see below), whose sum is σ = 18013514400. Its totient is φ = 2736271872.

The previous prime is 7422442031. The next prime is 7422442043. The reversal of 7422442040 is 402442247.

It is a junction number, because it is equal to n+sod(n) for n = 7422441994 and 7422442012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422442043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328631 + ... + 350489.

Almost surely, 2^7422442040 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 7422442040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9006757200).

7422442040 is an abundant number, since it is smaller than the sum of its proper divisors (10591072360).

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

7422442040 is a wasteful number, since it uses less digits than its factorization.

7422442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22536 (or 22532 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 7422442040 is about 86153.5956301303. The cubic root of 7422442040 is about 1950.6631135086.

Adding to 7422442040 its reverse (402442247), we get a palindrome (7824884287).

The spelling of 7422442040 in words is "seven billion, four hundred twenty-two million, four hundred forty-two thousand, forty".