40222240044 has 48 divisors (see below), whose sum is σ = 107269747200. Its totient is φ = 11490950016.

The previous prime is 40222240013. The next prime is 40222240049. The reversal of 40222240044 is 44004222204.

It is a junction number, because it is equal to n+sod(n) for n = 40222239996 and 40222240023.

It is not an unprimeable number, because it can be changed into a prime (40222240049) 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, 1268617 + ... + 1299935.

It is an arithmetic number, because the mean of its divisors is an integer number (2234786400).

Almost surely, 2^40222240044 is an apocalyptic number.

It is an amenable number.

40222240044 is an abundant number, since it is smaller than the sum of its proper divisors (67047507156).

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

40222240044 is a wasteful number, since it uses less digits than its factorization.

40222240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46622 (or 46620 counting only the distinct ones).

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

Adding to 40222240044 its reverse (44004222204), we get a palindrome (84226462248).

The spelling of 40222240044 in words is "forty billion, two hundred twenty-two million, two hundred forty thousand, forty-four".