40943955951 has 8 divisors (see below), whose sum is σ = 60657712560. Its totient is φ = 27295970616.

The previous prime is 40943955919. The next prime is 40943955967. The reversal of 40943955951 is 15955934904.

40943955951 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 39 + 559 + 51 = 666.

It is not a de Polignac number, because 40943955951 - 2⁵ = 40943955919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40943955971) 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, 758221380 + ... + 758221433.

It is an arithmetic number, because the mean of its divisors is an integer number (7582214070).

Almost surely, 2^40943955951 is an apocalyptic number.

40943955951 is a deficient number, since it is larger than the sum of its proper divisors (19713756609).

40943955951 is a wasteful number, since it uses less digits than its factorization.

40943955951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516442822 (or 1516442816 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 40943955951 in words is "forty billion, nine hundred forty-three million, nine hundred fifty-five thousand, nine hundred fifty-one".