40033400378 has 16 divisors (see below), whose sum is σ = 63799737480. Its totient is φ = 18804131136.

The previous prime is 40033400371. The next prime is 40033400389. The reversal of 40033400378 is 87300433004.

It can be written as a sum of positive squares in 4 ways, for example, as 39194892529 + 838507849 = 197977^2 + 28957^2 .

It is not an unprimeable number, because it can be changed into a prime (40033400371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9325301 + ... + 9329592.

Almost surely, 2^40033400378 is an apocalyptic number.

40033400378 is a deficient number, since it is larger than the sum of its proper divisors (23766337102).

40033400378 is a wasteful number, since it uses less digits than its factorization.

40033400378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18654961.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 40033400378 in words is "forty billion, thirty-three million, four hundred thousand, three hundred seventy-eight".