40652378 has 16 divisors (see below), whose sum is σ = 66910536. Its totient is φ = 18408000.

The previous prime is 40652369. The next prime is 40652401. The reversal of 40652378 is 87325604.

It is a happy number.

40652378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30393169 + 10259209 = 5513^2 + 3203^2 .

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, 13373 + ... + 16128.

Almost surely, 2^40652378 is an apocalyptic number.

40652378 is a deficient number, since it is larger than the sum of its proper divisors (26258158).

40652378 is a wasteful number, since it uses less digits than its factorization.

40652378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29569.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 40652378 is about 6375.9217372863. The cubic root of 40652378 is about 343.8444232950.

The spelling of 40652378 in words is "forty million, six hundred fifty-two thousand, three hundred seventy-eight".