40244051 has 2 divisors, whose sum is σ = 40244052. Its totient is φ = 40244050.

The previous prime is 40244041. The next prime is 40244053. The reversal of 40244051 is 15044204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40244051 - 2²² = 36049747 is a prime.

Together with 40244053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40244053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122025 + 20122026.

It is an arithmetic number, because the mean of its divisors is an integer number (20122026).

Almost surely, 2^40244051 is an apocalyptic number.

40244051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244051 is an equidigital number, since it uses as much as digits as its factorization.

40244051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40244051 is about 6343.8199060188. The cubic root of 40244051 is about 342.6893151257.

Adding to 40244051 its reverse (15044204), we get a palindrome (55288255).

The spelling of 40244051 in words is "forty million, two hundred forty-four thousand, fifty-one".