40424165563 has 16 divisors (see below), whose sum is σ = 41740240896. Its totient is φ = 39127986400.

The previous prime is 40424165557. The next prime is 40424165603. The reversal of 40424165563 is 36556142404.

It is a cyclic number.

It is not a de Polignac number, because 40424165563 - 2²¹ = 40422068411 is a prime.

It is a super-2 number, since 2×40424165563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40424165543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4661970 + ... + 4670632.

It is an arithmetic number, because the mean of its divisors is an integer number (2608765056).

Almost surely, 2^40424165563 is an apocalyptic number.

40424165563 is a deficient number, since it is larger than the sum of its proper divisors (1316075333).

40424165563 is a wasteful number, since it uses less digits than its factorization.

40424165563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 40424165563 in words is "forty billion, four hundred twenty-four million, one hundred sixty-five thousand, five hundred sixty-three".