40590050 has 54 divisors (see below), whose sum is σ = 81741513. Its totient is φ = 14992640.

The previous prime is 40590029. The next prime is 40590059. The reversal of 40590050 is 5009504.

It can be written as a sum of positive squares in 14 ways, for example, as 5650129 + 34939921 = 2377^2 + 5911^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4505.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40589998 and 40590025.

It is not an unprimeable number, because it can be changed into a prime (40590059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 765824 + ... + 765876.

Almost surely, 2^40590050 is an apocalyptic number.

40590050 is an abundant number, since it is smaller than the sum of its proper divisors (41151463).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40590050 is a wasteful number, since it uses less digits than its factorization.

40590050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 40590050 is about 6371.0320984908. The cubic root of 40590050 is about 343.6686066245.

Adding to 40590050 its reverse (5009504), we get a palindrome (45599554).

The spelling of 40590050 in words is "forty million, five hundred ninety thousand, fifty".