40707406 has 4 divisors (see below), whose sum is σ = 61061112. Its totient is φ = 20353702.

The previous prime is 40707397. The next prime is 40707409. The reversal of 40707406 is 60470704.

40707406 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707409) by changing a digit.

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, 10176850 + ... + 10176853.

It is an arithmetic number, because the mean of its divisors is an integer number (15265278).

Almost surely, 2^40707406 is an apocalyptic number.

40707406 is a deficient number, since it is larger than the sum of its proper divisors (20353706).

40707406 is a wasteful number, since it uses less digits than its factorization.

40707406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20353705.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 40707406 is about 6380.2355755881. The cubic root of 40707406 is about 343.9994986021. Note that the first 3 decimals are identical.

It can be divided in two parts, 4070 and 7406, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 40707406 in words is "forty million, seven hundred seven thousand, four hundred six".