40589238690 has 432 divisors, whose sum is σ = 145045308096. Its totient is φ = 7783776000.

The previous prime is 40589238689. The next prime is 40589238691. The reversal of 40589238690 is 9683298504.

40589238690 is a `hidden beast` number, since 40 + 58 + 92 + 386 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (40589238689) and next prime (40589238691).

It is a super-2 number, since 2×40589238690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40589238691) 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 215 ways as a sum of consecutive naturals, for example, 8195715 + ... + 8200665.

It is an arithmetic number, because the mean of its divisors is an integer number (335753028).

Almost surely, 2^40589238690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40589238690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72522654048).

40589238690 is an abundant number, since it is smaller than the sum of its proper divisors (104456069406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40589238690 is a wasteful number, since it uses less digits than its factorization.

40589238690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 4992 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 40589238690 in words is "forty billion, five hundred eighty-nine million, two hundred thirty-eight thousand, six hundred ninety".