40026331 has 8 divisors (see below), whose sum is σ = 42443280. Its totient is φ = 37640448.

The previous prime is 40026323. The next prime is 40026359. The reversal of 40026331 is 13362004.

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

It is a cyclic number.

It is not a de Polignac number, because 40026331 - 2³ = 40026323 is a prime.

It is a super-2 number, since 2×40026331² = 3204214346643122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40026299 and 40026308.

It is not an unprimeable number, because it can be changed into a prime (40026361) 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, 5086 + ... + 10291.

It is an arithmetic number, because the mean of its divisors is an integer number (5305410).

Almost surely, 2^40026331 is an apocalyptic number.

40026331 is a deficient number, since it is larger than the sum of its proper divisors (2416949).

40026331 is a wasteful number, since it uses less digits than its factorization.

40026331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15533.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40026331 is about 6326.6366262020. The cubic root of 40026331 is about 342.0702151696.

Adding to 40026331 its reverse (13362004), we get a palindrome (53388335).

The spelling of 40026331 in words is "forty million, twenty-six thousand, three hundred thirty-one".