40378007144 has 48 divisors (see below), whose sum is σ = 79485178500. Its totient is φ = 19227870464.

The previous prime is 40378007119. The next prime is 40378007179. The reversal of 40378007144 is 44170087304.

It can be written as a sum of positive squares in 2 ways, for example, as 39033904900 + 1344102244 = 197570^2 + 36662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40378007098 and 40378007107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965582 + ... + 1006530.

Almost surely, 2^40378007144 is an apocalyptic number.

It is an amenable number.

40378007144 is a deficient number, since it is larger than the sum of its proper divisors (39107171356).

40378007144 is a wasteful number, since it uses less digits than its factorization.

40378007144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41234 (or 41207 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 40378007144 in words is "forty billion, three hundred seventy-eight million, seven thousand, one hundred forty-four".