40270245 has 16 divisors (see below), whose sum is σ = 66174720. Its totient is φ = 20896704.

The previous prime is 40270207. The next prime is 40270261. The reversal of 40270245 is 54207204.

It is not a de Polignac number, because 40270245 - 2⁸ = 40269989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35725 + ... + 36834.

It is an arithmetic number, because the mean of its divisors is an integer number (4135920).

Almost surely, 2^40270245 is an apocalyptic number.

It is an amenable number.

40270245 is a deficient number, since it is larger than the sum of its proper divisors (25904475).

40270245 is a wasteful number, since it uses less digits than its factorization.

40270245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72604.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40270245 is about 6345.8840991622. The cubic root of 40270245 is about 342.7636487384.

Adding to 40270245 its reverse (54207204), we get a palindrome (94477449).

The spelling of 40270245 in words is "forty million, two hundred seventy thousand, two hundred forty-five".