40002522220 has 12 divisors (see below), whose sum is σ = 84005296704. Its totient is φ = 16001008880.

The previous prime is 40002522211. The next prime is 40002522221. The reversal of 40002522220 is 2222520004.

It is not an unprimeable number, because it can be changed into a prime (40002522221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000063036 + ... + 1000063075.

It is an arithmetic number, because the mean of its divisors is an integer number (7000441392).

Almost surely, 2^40002522220 is an apocalyptic number.

It is an amenable number.

40002522220 is an abundant number, since it is smaller than the sum of its proper divisors (44002774484).

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

40002522220 is a wasteful number, since it uses less digits than its factorization.

40002522220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000126120 (or 2000126118 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The spelling of 40002522220 in words is "forty billion, two million, five hundred twenty-two thousand, two hundred twenty".