40220013442 has 16 divisors (see below), whose sum is σ = 69024634560. Its totient is φ = 17218138608.

The previous prime is 40220013403. The next prime is 40220013461. The reversal of 40220013442 is 24431002204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571017 + ... + 1596412.

It is an arithmetic number, because the mean of its divisors is an integer number (4314039660).

Almost surely, 2^40220013442 is an apocalyptic number.

40220013442 is a deficient number, since it is larger than the sum of its proper divisors (28804621118).

40220013442 is a wasteful number, since it uses less digits than its factorization.

40220013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168345.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40220013442 its reverse (24431002204), we get a palindrome (64651015646).

The spelling of 40220013442 in words is "forty billion, two hundred twenty million, thirteen thousand, four hundred forty-two".