40022420442 has 32 divisors (see below), whose sum is σ = 85314674304. Its totient is φ = 12472896000.

The previous prime is 40022420441. The next prime is 40022420479. The reversal of 40022420442 is 24402422004.

40022420442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40022420441) 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, 1283859 + ... + 1314662.

It is an arithmetic number, because the mean of its divisors is an integer number (2666083572).

Almost surely, 2^40022420442 is an apocalyptic number.

40022420442 is an abundant number, since it is smaller than the sum of its proper divisors (45292253862).

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

40022420442 is a wasteful number, since it uses less digits than its factorization.

40022420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598694.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40022420442 its reverse (24402422004), we get a palindrome (64424842446).

The spelling of 40022420442 in words is "forty billion, twenty-two million, four hundred twenty thousand, four hundred forty-two".