400835041 has 2 divisors, whose sum is σ = 400835042. Its totient is φ = 400835040.

The previous prime is 400834981. The next prime is 400835051. The reversal of 400835041 is 140538004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382593600 + 18241441 = 19560^2 + 4271^2 .

It is a cyclic number.

It is not a de Polignac number, because 400835041 - 2⁷ = 400834913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400834997 and 400835015.

It is not a weakly prime, because it can be changed into another prime (400835051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200417520 + 200417521.

It is an arithmetic number, because the mean of its divisors is an integer number (200417521).

Almost surely, 2^400835041 is an apocalyptic number.

It is an amenable number.

400835041 is a deficient number, since it is larger than the sum of its proper divisors (1).

400835041 is an equidigital number, since it uses as much as digits as its factorization.

400835041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 400835041 is about 20020.8651411471. The cubic root of 400835041 is about 737.3186629142.

The spelling of 400835041 in words is "four hundred million, eight hundred thirty-five thousand, forty-one".