40816708384 has 24 divisors (see below), whose sum is σ = 80362463580. Its totient is φ = 20407193856.

The previous prime is 40816708381. The next prime is 40816708421. The reversal of 40816708384 is 48380761804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40376883600 + 439824784 = 200940^2 + 20972^2 .

It is not an unprimeable number, because it can be changed into a prime (40816708381) 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, 938382 + ... + 980914.

Almost surely, 2^40816708384 is an apocalyptic number.

It is an amenable number.

40816708384 is a deficient number, since it is larger than the sum of its proper divisors (39545755196).

40816708384 is a wasteful number, since it uses less digits than its factorization.

40816708384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72532 (or 72524 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 40816708384 in words is "forty billion, eight hundred sixteen million, seven hundred eight thousand, three hundred eighty-four".