40221233442 has 48 divisors (see below), whose sum is σ = 94980307968. Its totient is φ = 12226652640.

The previous prime is 40221233411. The next prime is 40221233471. The reversal of 40221233442 is 24433212204.

40221233442 is a `hidden beast` number, since 4 + 0 + 2 + 212 + 3 + 3 + 442 = 666.

40221233442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016034 + ... + 1054877.

It is an arithmetic number, because the mean of its divisors is an integer number (1978756416).

Almost surely, 2^40221233442 is an apocalyptic number.

40221233442 is an abundant number, since it is smaller than the sum of its proper divisors (54759074526).

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

40221233442 is a wasteful number, since it uses less digits than its factorization.

40221233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071015 (or 2071012 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40221233442 its reverse (24433212204), we get a palindrome (64654445646).

The spelling of 40221233442 in words is "forty billion, two hundred twenty-one million, two hundred thirty-three thousand, four hundred forty-two".