40222153444 has 24 divisors (see below), whose sum is σ = 77117328288. Its totient is φ = 18204325440.

The previous prime is 40222153397. The next prime is 40222153471. The reversal of 40222153444 is 44435122204.

It is a super-2 number, since 2×40222153444² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951422 + ... + 1971925.

It is an arithmetic number, because the mean of its divisors is an integer number (3213222012).

Almost surely, 2^40222153444 is an apocalyptic number.

40222153444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40222153444 is a deficient number, since it is larger than the sum of its proper divisors (36895174844).

40222153444 is a wasteful number, since it uses less digits than its factorization.

40222153444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923595 (or 3923593 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 40222153444 its reverse (44435122204), we get a palindrome (84657275648).

The spelling of 40222153444 in words is "forty billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred forty-four".