40550003633 has 4 divisors (see below), whose sum is σ = 40553504628. Its totient is φ = 40546502640.

The previous prime is 40550003629. The next prime is 40550003647. The reversal of 40550003633 is 33630005504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3659887009 + 36890116624 = 60497^2 + 192068^2 .

It is a cyclic number.

It is not a de Polignac number, because 40550003633 - 2² = 40550003629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40550003596 and 40550003605.

It is not an unprimeable number, because it can be changed into a prime (40550003603) 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, 1733066 + ... + 1756307.

It is an arithmetic number, because the mean of its divisors is an integer number (10138376157).

Almost surely, 2^40550003633 is an apocalyptic number.

It is an amenable number.

40550003633 is a deficient number, since it is larger than the sum of its proper divisors (3500995).

40550003633 is a wasteful number, since it uses less digits than its factorization.

40550003633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500994.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 40550003633 in words is "forty billion, five hundred fifty million, three thousand, six hundred thirty-three".