40380477804399 has 4 divisors (see below), whose sum is σ = 53840637072536. Its totient is φ = 26920318536264.

The previous prime is 40380477804397. The next prime is 40380477804431. The reversal of 40380477804399 is 99340877408304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40380477804399 - 2¹ = 40380477804397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40380477804397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6730079634064 + ... + 6730079634069.

It is an arithmetic number, because the mean of its divisors is an integer number (13460159268134).

Almost surely, 2^{40380477804399} is an apocalyptic number.

40380477804399 is a deficient number, since it is larger than the sum of its proper divisors (13460159268137).

40380477804399 is a wasteful number, since it uses less digits than its factorization.

40380477804399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13460159268136.

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 40380477804399 in words is "forty trillion, three hundred eighty billion, four hundred seventy-seven million, eight hundred four thousand, three hundred ninety-nine".