40047400378 has 8 divisors (see below), whose sum is σ = 63604694772. Its totient is φ = 18845835456.

The previous prime is 40047400373. The next prime is 40047400397. The reversal of 40047400378 is 87300474004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34964138169 + 5083262209 = 186987^2 + 71297^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40047400373) 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 3 ways as a sum of consecutive naturals, for example, 588932325 + ... + 588932392.

Almost surely, 2^40047400378 is an apocalyptic number.

40047400378 is a deficient number, since it is larger than the sum of its proper divisors (23557294394).

40047400378 is a wasteful number, since it uses less digits than its factorization.

40047400378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177864736.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 40047400378 in words is "forty billion, forty-seven million, four hundred thousand, three hundred seventy-eight".