40740402 has 8 divisors (see below), whose sum is σ = 81480816. Its totient is φ = 13580132.

The previous prime is 40740391. The next prime is 40740407. The reversal of 40740402 is 20404704.

40740402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40740402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40740407) 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 in 3 ways as a sum of consecutive naturals, for example, 3395028 + ... + 3395039.

It is an arithmetic number, because the mean of its divisors is an integer number (10185102).

Almost surely, 2^40740402 is an apocalyptic number.

40740402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40740402 is a wasteful number, since it uses less digits than its factorization.

40740402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790072.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 40740402 is about 6382.8208497497. The cubic root of 40740402 is about 344.0924181562.

The spelling of 40740402 in words is "forty million, seven hundred forty thousand, four hundred two".