40415801 has 2 divisors, whose sum is σ = 40415802. Its totient is φ = 40415800.

The previous prime is 40415789. The next prime is 40415813. The reversal of 40415801 is 10851404.

It is a balanced prime because it is at equal distance from previous prime (40415789) and next prime (40415813).

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 8549776 = 5645^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 40415801 - 2⁶ = 40415737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40415891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20207900 + 20207901.

It is an arithmetic number, because the mean of its divisors is an integer number (20207901).

Almost surely, 2^40415801 is an apocalyptic number.

It is an amenable number.

40415801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40415801 is an equidigital number, since it uses as much as digits as its factorization.

40415801 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 23.

The square root of 40415801 is about 6357.3422906117. The cubic root of 40415801 is about 343.1761229750.

The spelling of 40415801 in words is "forty million, four hundred fifteen thousand, eight hundred one".