40235544063 has 96 divisors (see below), whose sum is σ = 72418364928. Its totient is φ = 21176812800.

The previous prime is 40235544043. The next prime is 40235544071. The reversal of 40235544063 is 36044553204.

40235544063 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 554 + 40 + 63 = 666.

It is not a de Polignac number, because 40235544063 - 2¹⁷ = 40235412991 is a prime.

It is a super-2 number, since 2×40235544063² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235544043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1794520 + ... + 1816802.

It is an arithmetic number, because the mean of its divisors is an integer number (754357968).

Almost surely, 2^40235544063 is an apocalyptic number.

40235544063 is a deficient number, since it is larger than the sum of its proper divisors (32182820865).

40235544063 is a wasteful number, since it uses less digits than its factorization.

40235544063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397 (or 22394 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40235544063 in words is "forty billion, two hundred thirty-five million, five hundred forty-four thousand, sixty-three".