40371633 has 6 divisors (see below), whose sum is σ = 58314594. Its totient is φ = 26914416.

The previous prime is 40371631. The next prime is 40371671. The reversal of 40371633 is 33617304.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 74529 = 6348^2 + 273^2 .

It is not a de Polignac number, because 40371633 - 2¹ = 40371631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40371597 and 40371606.

It is not an unprimeable number, because it can be changed into a prime (40371631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2242860 + ... + 2242877.

It is an arithmetic number, because the mean of its divisors is an integer number (9719099).

Almost surely, 2^40371633 is an apocalyptic number.

It is an amenable number.

40371633 is a deficient number, since it is larger than the sum of its proper divisors (17942961).

40371633 is a wasteful number, since it uses less digits than its factorization.

40371633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485743 (or 4485740 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 40371633 is about 6353.8675623592. The cubic root of 40371633 is about 343.0510652211.

Adding to 40371633 its reverse (33617304), we get a palindrome (73988937).

The spelling of 40371633 in words is "forty million, three hundred seventy-one thousand, six hundred thirty-three".