40026357 has 12 divisors (see below), whose sum is σ = 66075360. Its totient is φ = 22872168.

The previous prime is 40026323. The next prime is 40026359. The reversal of 40026357 is 75362004.

It is a happy number.

It is not a de Polignac number, because 40026357 - 2⁸ = 40026101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40026357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317607 + ... + 317732.

It is an arithmetic number, because the mean of its divisors is an integer number (5506280).

Almost surely, 2^40026357 is an apocalyptic number.

It is an amenable number.

40026357 is a deficient number, since it is larger than the sum of its proper divisors (26049003).

40026357 is a wasteful number, since it uses less digits than its factorization.

40026357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635352 (or 635349 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40026357 is about 6326.6386810059. The cubic root of 40026357 is about 342.0702892361.

The spelling of 40026357 in words is "forty million, twenty-six thousand, three hundred fifty-seven".