40346221563 has 6 divisors (see below), whose sum is σ = 58277875604. Its totient is φ = 26897481036.

The previous prime is 40346221529. The next prime is 40346221579. The reversal of 40346221563 is 36512264304.

40346221563 is a `hidden beast` number, since 4 + 0 + 34 + 62 + 2 + 1 + 563 = 666.

It is not a de Polignac number, because 40346221563 - 2¹³ = 40346213371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40346221583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2241456745 + ... + 2241456762.

Almost surely, 2^40346221563 is an apocalyptic number.

40346221563 is a deficient number, since it is larger than the sum of its proper divisors (17931654041).

40346221563 is a wasteful number, since it uses less digits than its factorization.

40346221563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482913513 (or 4482913510 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 40346221563 its reverse (36512264304), we get a palindrome (76858485867).

The spelling of 40346221563 in words is "forty billion, three hundred forty-six million, two hundred twenty-one thousand, five hundred sixty-three".