40603623849 has 24 divisors (see below), whose sum is σ = 60102721224. Its totient is φ = 26398944000.

The previous prime is 40603623833. The next prime is 40603623859. The reversal of 40603623849 is 94832630604.

40603623849 is a `hidden beast` number, since 4 + 0 + 603 + 6 + 2 + 38 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 58982400 + 40544641449 = 7680^2 + 201357^2 .

It is not a de Polignac number, because 40603623849 - 2⁴ = 40603623833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40603623859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036479 + ... + 1074939.

It is an arithmetic number, because the mean of its divisors is an integer number (2504280051).

Almost surely, 2^40603623849 is an apocalyptic number.

It is an amenable number.

40603623849 is a deficient number, since it is larger than the sum of its proper divisors (19499097375).

40603623849 is a wasteful number, since it uses less digits than its factorization.

40603623849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41369 (or 41366 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 40603623849 in words is "forty billion, six hundred three million, six hundred twenty-three thousand, eight hundred forty-nine".