40546494951 has 8 divisors (see below), whose sum is σ = 54063348864. Its totient is φ = 27030318840.

The previous prime is 40546494917. The next prime is 40546494959. The reversal of 40546494951 is 15949464504.

It is a happy number.

40546494951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40546494951 - 2⁷ = 40546494823 is a prime.

It is a super-3 number, since 3×40546494951³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40546494894 and 40546494903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40546494959) 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, 7851 + ... + 284876.

It is an arithmetic number, because the mean of its divisors is an integer number (6757918608).

Almost surely, 2^40546494951 is an apocalyptic number.

40546494951 is a deficient number, since it is larger than the sum of its proper divisors (13516853913).

40546494951 is a wasteful number, since it uses less digits than its factorization.

40546494951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338901.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 40546494951 in words is "forty billion, five hundred forty-six million, four hundred ninety-four thousand, nine hundred fifty-one".