40260406 has 4 divisors (see below), whose sum is σ = 60390612. Its totient is φ = 20130202.

The previous prime is 40260391. The next prime is 40260421. The reversal of 40260406 is 60406204.

40260406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40260391) and next prime (40260421).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065100 + ... + 10065103.

It is an arithmetic number, because the mean of its divisors is an integer number (15097653).

Almost surely, 2^40260406 is an apocalyptic number.

40260406 is a deficient number, since it is larger than the sum of its proper divisors (20130206).

40260406 is a wasteful number, since it uses less digits than its factorization.

40260406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130205.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40260406 is about 6345.1088249139. The cubic root of 40260406 is about 342.7357313002.

The spelling of 40260406 in words is "forty million, two hundred sixty thousand, four hundred six".