40356950093 has 4 divisors (see below), whose sum is σ = 40358628000. Its totient is φ = 40355272188.

The previous prime is 40356950033. The next prime is 40356950107. The reversal of 40356950093 is 39005965304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40356950093 - 2¹⁸ = 40356687949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40356950033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802343 + ... + 851156.

It is an arithmetic number, because the mean of its divisors is an integer number (10089657000).

Almost surely, 2^40356950093 is an apocalyptic number.

It is an amenable number.

40356950093 is a deficient number, since it is larger than the sum of its proper divisors (1677907).

40356950093 is a wasteful number, since it uses less digits than its factorization.

40356950093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677906.

The product of its (nonzero) digits is 437400, while the sum is 44.

The spelling of 40356950093 in words is "forty billion, three hundred fifty-six million, nine hundred fifty thousand, ninety-three".