40166523463 has 8 divisors (see below), whose sum is σ = 43958023056. Its totient is φ = 36398356800.

The previous prime is 40166523461. The next prime is 40166523491. The reversal of 40166523463 is 36432566104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40166523463 - 2¹ = 40166523461 is a prime.

It is a super-2 number, since 2×40166523463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166523461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5829628 + ... + 5836513.

It is an arithmetic number, because the mean of its divisors is an integer number (5494752882).

Almost surely, 2^40166523463 is an apocalyptic number.

40166523463 is a deficient number, since it is larger than the sum of its proper divisors (3791499593).

40166523463 is a wasteful number, since it uses less digits than its factorization.

40166523463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666465.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 40166523463 in words is "forty billion, one hundred sixty-six million, five hundred twenty-three thousand, four hundred sixty-three".