40040547633 has 12 divisors (see below), whose sum is σ = 57844341828. Its totient is φ = 26690008320.

The previous prime is 40040547619. The next prime is 40040547649. The reversal of 40040547633 is 33674504004.

It is a happy number.

40040547633 is a `hidden beast` number, since 40 + 0 + 40 + 547 + 6 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6475742784 + 33564804849 = 80472^2 + 183207^2 .

It is not a de Polignac number, because 40040547633 - 2²⁴ = 40023770417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40040547433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237960 + ... + 369737.

It is an arithmetic number, because the mean of its divisors is an integer number (4820361819).

Almost surely, 2^40040547633 is an apocalyptic number.

It is an amenable number.

40040547633 is a deficient number, since it is larger than the sum of its proper divisors (17803794195).

40040547633 is a wasteful number, since it uses less digits than its factorization.

40040547633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615024 (or 615021 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 40040547633 in words is "forty billion, forty million, five hundred forty-seven thousand, six hundred thirty-three".