40516850623551 has 4 divisors (see below), whose sum is σ = 54022467498072. Its totient is φ = 27011233749032.

The previous prime is 40516850623549. The next prime is 40516850623553. The reversal of 40516850623551 is 15532605861504.

40516850623551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40516850623549) and next prime (40516850623553).

It is a cyclic number.

It is not a de Polignac number, because 40516850623551 - 2¹ = 40516850623549 is a prime.

It is a super-2 number, since 2×40516850623551² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40516850623494 and 40516850623503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40516850623553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6752808437256 + ... + 6752808437261.

It is an arithmetic number, because the mean of its divisors is an integer number (13505616874518).

Almost surely, 2^{40516850623551} is an apocalyptic number.

40516850623551 is a deficient number, since it is larger than the sum of its proper divisors (13505616874521).

40516850623551 is a wasteful number, since it uses less digits than its factorization.

40516850623551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13505616874520.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 40516850623551 in words is "forty trillion, five hundred sixteen billion, eight hundred fifty million, six hundred twenty-three thousand, five hundred fifty-one".