40221445154 has 32 divisors (see below), whose sum is σ = 73356321600. Its totient is φ = 16301399040.

The previous prime is 40221445111. The next prime is 40221445177. The reversal of 40221445154 is 45154412204.

It is a self number, because there is not a number n which added to its sum of digits gives 40221445154.

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, 2822999 + ... + 2837210.

It is an arithmetic number, because the mean of its divisors is an integer number (2292385050).

Almost surely, 2^40221445154 is an apocalyptic number.

40221445154 is a deficient number, since it is larger than the sum of its proper divisors (33134876446).

40221445154 is a wasteful number, since it uses less digits than its factorization.

40221445154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660258.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 40221445154 its reverse (45154412204), we get a palindrome (85375857358).

The spelling of 40221445154 in words is "forty billion, two hundred twenty-one million, four hundred forty-five thousand, one hundred fifty-four".