40380849632449 has 8 divisors (see below), whose sum is σ = 41067314965440. Its totient is φ = 39694452438000.

The previous prime is 40380849632437. The next prime is 40380849632471. The reversal of 40380849632449 is 94423694808304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40380849632449 - 2⁹ = 40380849631937 is a prime.

It is a super-2 number, since 2×40380849632449² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40380849630449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15838597 + ... + 18210514.

It is an arithmetic number, because the mean of its divisors is an integer number (5133414370680).

Almost surely, 2^{40380849632449} is an apocalyptic number.

It is an amenable number.

40380849632449 is a deficient number, since it is larger than the sum of its proper divisors (686465332991).

40380849632449 is a wasteful number, since it uses less digits than its factorization.

40380849632449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34069271.

The product of its (nonzero) digits is 143327232, while the sum is 64.

The spelling of 40380849632449 in words is "forty trillion, three hundred eighty billion, eight hundred forty-nine million, six hundred thirty-two thousand, four hundred forty-nine".