40133633 has 2 divisors, whose sum is σ = 40133634. Its totient is φ = 40133632.

The previous prime is 40133627. The next prime is 40133693. The reversal of 40133633 is 33633104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23348224 + 16785409 = 4832^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 40133633 - 2¹⁴ = 40117249 is a prime.

It is a super-2 number, since 2×40133633² = 3221416995557378, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40133599 and 40133608.

It is not a weakly prime, because it can be changed into another prime (40133693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066816 + 20066817.

It is an arithmetic number, because the mean of its divisors is an integer number (20066817).

Almost surely, 2^40133633 is an apocalyptic number.

It is an amenable number.

40133633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40133633 is an equidigital number, since it uses as much as digits as its factorization.

40133633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 40133633 is about 6335.1111276757. Note that the first 4 decimals coincide. The cubic root of 40133633 is about 342.3756146973.

Adding to 40133633 its reverse (33633104), we get a palindrome (73766737).

The spelling of 40133633 in words is "forty million, one hundred thirty-three thousand, six hundred thirty-three".