40221140442 has 32 divisors (see below), whose sum is σ = 92099140992. Its totient is φ = 11471116224.

The previous prime is 40221140389. The next prime is 40221140461. The reversal of 40221140442 is 24404112204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836253 + ... + 883040.

It is an arithmetic number, because the mean of its divisors is an integer number (2878098156).

Almost surely, 2^40221140442 is an apocalyptic number.

40221140442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40221140442 is an abundant number, since it is smaller than the sum of its proper divisors (51878000550).

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

40221140442 is a wasteful number, since it uses less digits than its factorization.

40221140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719862.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40221140442 its reverse (24404112204), we get a palindrome (64625252646).

The spelling of 40221140442 in words is "forty billion, two hundred twenty-one million, one hundred forty thousand, four hundred forty-two".