40346221544 has 32 divisors (see below), whose sum is σ = 78085909440. Its totient is φ = 19530825600.

The previous prime is 40346221529. The next prime is 40346221579. The reversal of 40346221544 is 44512264304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426524 + ... + 512459.

It is an arithmetic number, because the mean of its divisors is an integer number (2440184670).

Almost surely, 2^40346221544 is an apocalyptic number.

It is an amenable number.

40346221544 is a deficient number, since it is larger than the sum of its proper divisors (37739687896).

40346221544 is a wasteful number, since it uses less digits than its factorization.

40346221544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939161 (or 939157 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 40346221544 its reverse (44512264304), we get a palindrome (84858485848).

The spelling of 40346221544 in words is "forty billion, three hundred forty-six million, two hundred twenty-one thousand, five hundred forty-four".