40244420192 has 24 divisors (see below), whose sum is σ = 79341444000. Its totient is φ = 20094212224.

The previous prime is 40244420179. The next prime is 40244420303. The reversal of 40244420192 is 29102444204.

It is a super-2 number, since 2×40244420192² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851567 + ... + 897582.

It is an arithmetic number, because the mean of its divisors is an integer number (3305893500).

Almost surely, 2^40244420192 is an apocalyptic number.

It is an amenable number.

40244420192 is a deficient number, since it is larger than the sum of its proper divisors (39097023808).

40244420192 is a wasteful number, since it uses less digits than its factorization.

40244420192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749878 (or 1749870 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 40244420192 its reverse (29102444204), we get a palindrome (69346864396).

The spelling of 40244420192 in words is "forty billion, two hundred forty-four million, four hundred twenty thousand, one hundred ninety-two".