40244523 has 16 divisors (see below), whose sum is σ = 58772736. Its totient is φ = 24292640.

The previous prime is 40244521. The next prime is 40244551. The reversal of 40244523 is 32544204.

40244523 = 1342² + 1343² + ... + 1363².

It is a cyclic number.

It is not a de Polignac number, because 40244523 - 2¹ = 40244521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40244493 and 40244502.

It is not an unprimeable number, because it can be changed into a prime (40244521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6361 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (3673296).

Almost surely, 2^40244523 is an apocalyptic number.

40244523 is a deficient number, since it is larger than the sum of its proper divisors (18528213).

40244523 is a wasteful number, since it uses less digits than its factorization.

40244523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40244523 is about 6343.8571074702. The cubic root of 40244523 is about 342.6906548577.

Adding to 40244523 its reverse (32544204), we get a palindrome (72788727).

The spelling of 40244523 in words is "forty million, two hundred forty-four thousand, five hundred twenty-three".