40163352651 has 72 divisors (see below), whose sum is σ = 62161482240. Its totient is φ = 24970589280.

The previous prime is 40163352641. The next prime is 40163352653. The reversal of 40163352651 is 15625336104.

40163352651 is a `hidden beast` number, since 40 + 16 + 33 + 526 + 51 = 666.

It is not a de Polignac number, because 40163352651 - 2¹⁵ = 40163319883 is a prime.

It is a super-2 number, since 2×40163352651² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163352653) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29379970 + ... + 29381336.

It is an arithmetic number, because the mean of its divisors is an integer number (863353920).

Almost surely, 2^40163352651 is an apocalyptic number.

40163352651 is a deficient number, since it is larger than the sum of its proper divisors (21998129589).

40163352651 is a wasteful number, since it uses less digits than its factorization.

40163352651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 40163352651 its reverse (15625336104), we get a palindrome (55788688755).

The spelling of 40163352651 in words is "forty billion, one hundred sixty-three million, three hundred fifty-two thousand, six hundred fifty-one".