4040522420 has 24 divisors (see below), whose sum is σ = 9256470048. Its totient is φ = 1469280800.

The previous prime is 4040522377. The next prime is 4040522441. The reversal of 4040522420 is 242250404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9182786 + ... + 9183225.

It is an arithmetic number, because the mean of its divisors is an integer number (385686252).

Almost surely, 2^4040522420 is an apocalyptic number.

It is an amenable number.

4040522420 is an abundant number, since it is smaller than the sum of its proper divisors (5215947628).

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

4040522420 is a wasteful number, since it uses less digits than its factorization.

4040522420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366031 (or 18366029 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4040522420 is about 63565.1037913099. The cubic root of 4040522420 is about 1592.7434959925.

Adding to 4040522420 its reverse (242250404), we get a palindrome (4282772824).

The spelling of 4040522420 in words is "four billion, forty million, five hundred twenty-two thousand, four hundred twenty".