40253241 has 16 divisors (see below), whose sum is σ = 61534208. Its totient is φ = 22928400.

The previous prime is 40253233. The next prime is 40253261. The reversal of 40253241 is 14235204.

It is not a de Polignac number, because 40253241 - 2³ = 40253233 is a prime.

It is a super-2 number, since 2×40253241² = 3240646822008162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40253201) 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, 4056 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (3845888).

Almost surely, 2^40253241 is an apocalyptic number.

It is an amenable number.

40253241 is a deficient number, since it is larger than the sum of its proper divisors (21280967).

40253241 is a wasteful number, since it uses less digits than its factorization.

40253241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40253241 is about 6344.5441916658. The cubic root of 40253241 is about 342.7153982778.

Adding to 40253241 its reverse (14235204), we get a palindrome (54488445).

The spelling of 40253241 in words is "forty million, two hundred fifty-three thousand, two hundred forty-one".