40985687233 has 4 divisors (see below), whose sum is σ = 42307806208. Its totient is φ = 39663568260.

The previous prime is 40985687203. The next prime is 40985687257. The reversal of 40985687233 is 33278658904.

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 40985687233 - 2¹³ = 40985679041 is a prime.

It is a super-2 number, since 2×40985687233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40985687203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661059441 + ... + 661059502.

It is an arithmetic number, because the mean of its divisors is an integer number (10576951552).

Almost surely, 2^40985687233 is an apocalyptic number.

It is an amenable number.

40985687233 is a deficient number, since it is larger than the sum of its proper divisors (1322118975).

40985687233 is a wasteful number, since it uses less digits than its factorization.

40985687233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322118974.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 40985687233 in words is "forty billion, nine hundred eighty-five million, six hundred eighty-seven thousand, two hundred thirty-three".