40022422540 has 24 divisors (see below), whose sum is σ = 84256697952. Its totient is φ = 15969043200.

The previous prime is 40022422523. The next prime is 40022422547. The reversal of 40022422540 is 4522422004.

It is not an unprimeable number, because it can be changed into a prime (40022422547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487144 + ... + 2503183.

It is an arithmetic number, because the mean of its divisors is an integer number (3510695748).

Almost surely, 2^40022422540 is an apocalyptic number.

It is an amenable number.

40022422540 is an abundant number, since it is smaller than the sum of its proper divisors (44234275412).

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

40022422540 is a wasteful number, since it uses less digits than its factorization.

40022422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990737 (or 4990735 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 40022422540 its reverse (4522422004), we get a palindrome (44544844544).

The spelling of 40022422540 in words is "forty billion, twenty-two million, four hundred twenty-two thousand, five hundred forty".