40001469736 has 16 divisors (see below), whose sum is σ = 76417902900. Its totient is φ = 19623362304.

The previous prime is 40001469731. The next prime is 40001469743. The reversal of 40001469736 is 63796410004.

It can be written as a sum of positive squares in 2 ways, for example, as 39922437636 + 79032100 = 199806^2 + 8890^2 .

It is not an unprimeable number, because it can be changed into a prime (40001469731) 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, 47171121 + ... + 47171968.

Almost surely, 2^40001469736 is an apocalyptic number.

It is an amenable number.

40001469736 is a deficient number, since it is larger than the sum of its proper divisors (36416433164).

40001469736 is a wasteful number, since it uses less digits than its factorization.

40001469736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94343148 (or 94343144 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 40001469736 in words is "forty billion, one million, four hundred sixty-nine thousand, seven hundred thirty-six".