40523590867 has 8 divisors (see below), whose sum is σ = 41765486400. Its totient is φ = 39297515904.

The previous prime is 40523590847. The next prime is 40523590873. The reversal of 40523590867 is 76809532504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40523590867 is a prime.

It is a super-2 number, since 2×40523590867² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40523590867.

It is not an unprimeable number, because it can be changed into a prime (40523590837) 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, 3949942 + ... + 3960187.

It is an arithmetic number, because the mean of its divisors is an integer number (5220685800).

Almost surely, 2^40523590867 is an apocalyptic number.

40523590867 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40523590867 is a deficient number, since it is larger than the sum of its proper divisors (1241895533).

40523590867 is a wasteful number, since it uses less digits than its factorization.

40523590867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910285.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 40523590867 in words is "forty billion, five hundred twenty-three million, five hundred ninety thousand, eight hundred sixty-seven".