40378857160 has 16 divisors (see below), whose sum is σ = 90852428700. Its totient is φ = 16151542848.

The previous prime is 40378857157. The next prime is 40378857173. The reversal of 40378857160 is 6175887304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40335902244 + 42954916 = 200838^2 + 6554^2 .

It is an unprimeable number.

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, 504735675 + ... + 504735754.

Almost surely, 2^40378857160 is an apocalyptic number.

40378857160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40378857160 is an abundant number, since it is smaller than the sum of its proper divisors (50473571540).

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

40378857160 is a wasteful number, since it uses less digits than its factorization.

40378857160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009471440 (or 1009471436 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 40378857160 in words is "forty billion, three hundred seventy-eight million, eight hundred fifty-seven thousand, one hundred sixty".