40633281849 has 8 divisors (see below), whose sum is σ = 55437656032. Its totient is φ = 26458881120.

The previous prime is 40633281847. The next prime is 40633281851. The reversal of 40633281849 is 94818233604.

It is an interprime number because it is at equal distance from previous prime (40633281847) and next prime (40633281851).

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

It is not a de Polignac number, because 40633281849 - 2¹ = 40633281847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40633281798 and 40633281807.

It is not an unprimeable number, because it can be changed into a prime (40633281847) 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, 157493212 + ... + 157493469.

It is an arithmetic number, because the mean of its divisors is an integer number (6929707004).

Almost surely, 2^40633281849 is an apocalyptic number.

It is an amenable number.

40633281849 is a deficient number, since it is larger than the sum of its proper divisors (14804374183).

40633281849 is a wasteful number, since it uses less digits than its factorization.

40633281849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314986727.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 40633281849 in words is "forty billion, six hundred thirty-three million, two hundred eighty-one thousand, eight hundred forty-nine".