40425858 has 96 divisors (see below), whose sum is σ = 103420800. Its totient is φ = 11674080.

The previous prime is 40425851. The next prime is 40425893. The reversal of 40425858 is 85852404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150148 + ... + 150416.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^40425858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40425858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51710400).

40425858 is an abundant number, since it is smaller than the sum of its proper divisors (62994942).

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

40425858 is a wasteful number, since it uses less digits than its factorization.

40425858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 40425858 is about 6358.1332165975. The cubic root of 40425858 is about 343.2045857375.

It can be divided in two parts, 404 and 25858, that added together give a palindrome (26262).

The spelling of 40425858 in words is "forty million, four hundred twenty-five thousand, eight hundred fifty-eight".