40355970043 has 4 divisors (see below), whose sum is σ = 40386942928. Its totient is φ = 40324997160.

The previous prime is 40355970023. The next prime is 40355970049. The reversal of 40355970043 is 34007955304.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40355970043 is a prime.

It is a super-2 number, since 2×40355970043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40355969978 and 40355970005.

It is not an unprimeable number, because it can be changed into a prime (40355970049) 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, 15484488 + ... + 15487093.

It is an arithmetic number, because the mean of its divisors is an integer number (10096735732).

Almost surely, 2^40355970043 is an apocalyptic number.

40355970043 is a deficient number, since it is larger than the sum of its proper divisors (30972885).

40355970043 is a wasteful number, since it uses less digits than its factorization.

40355970043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30972884.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 40355970043 in words is "forty billion, three hundred fifty-five million, nine hundred seventy thousand, forty-three".