40322244040 has 128 divisors (see below), whose sum is σ = 98593689600. Its totient is φ = 14841066240.

The previous prime is 40322244031. The next prime is 40322244043. The reversal of 40322244040 is 4044222304.

It is a junction number, because it is equal to n+sod(n) for n = 40322243996 and 40322244014.

It is not an unprimeable number, because it can be changed into a prime (40322244043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 40687945 + ... + 40688935.

It is an arithmetic number, because the mean of its divisors is an integer number (770263200).

Almost surely, 2^40322244040 is an apocalyptic number.

40322244040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40322244040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49296844800).

40322244040 is an abundant number, since it is smaller than the sum of its proper divisors (58271445560).

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

40322244040 is a wasteful number, since it uses less digits than its factorization.

40322244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40322244040 its reverse (4044222304), we get a palindrome (44366466344).

The spelling of 40322244040 in words is "forty billion, three hundred twenty-two million, two hundred forty-four thousand, forty".