40220013444 has 48 divisors (see below), whose sum is σ = 101093428800. Its totient is φ = 12371990400.

The previous prime is 40220013403. The next prime is 40220013461. The reversal of 40220013444 is 44431002204.

It is a happy number.

It is a super-2 number, since 2×40220013444² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 567282 + ... + 634230.

It is an arithmetic number, because the mean of its divisors is an integer number (2106113100).

Almost surely, 2^40220013444 is an apocalyptic number.

It is an amenable number.

40220013444 is an abundant number, since it is smaller than the sum of its proper divisors (60873415356).

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

40220013444 is a wasteful number, since it uses less digits than its factorization.

40220013444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70820 (or 70818 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40220013444 its reverse (44431002204), we get a palindrome (84651015648).

The spelling of 40220013444 in words is "forty billion, two hundred twenty million, thirteen thousand, four hundred forty-four".