40430268 has 36 divisors (see below), whose sum is σ = 102990888. Its totient is φ = 13372320.

The previous prime is 40430261. The next prime is 40430287. The reversal of 40430268 is 86203404.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430261) 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, 430 + ... + 9002.

It is an arithmetic number, because the mean of its divisors is an integer number (2860858).

Almost surely, 2^40430268 is an apocalyptic number.

It is an amenable number.

40430268 is an abundant number, since it is smaller than the sum of its proper divisors (62560620).

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

40430268 is a wasteful number, since it uses less digits than its factorization.

40430268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40430268 is about 6358.4800070457. The cubic root of 40430268 is about 343.2170651856.

The spelling of 40430268 in words is "forty million, four hundred thirty thousand, two hundred sixty-eight".