40742406 has 16 divisors (see below), whose sum is σ = 90538800. Its totient is φ = 13580784.

The previous prime is 40742399. The next prime is 40742413. The reversal of 40742406 is 60424704.

40742406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40742399) and next prime (40742413).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40742406.

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 in 7 ways as a sum of consecutive naturals, for example, 377191 + ... + 377298.

It is an arithmetic number, because the mean of its divisors is an integer number (5658675).

Almost surely, 2^40742406 is an apocalyptic number.

40742406 is an abundant number, since it is smaller than the sum of its proper divisors (49796394).

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

40742406 is a wasteful number, since it uses less digits than its factorization.

40742406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754500 (or 754494 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 40742406 is about 6382.9778317021. The cubic root of 40742406 is about 344.0980599750.

The spelling of 40742406 in words is "forty million, seven hundred forty-two thousand, four hundred six".