400302252127 has 2 divisors, whose sum is σ = 400302252128. Its totient is φ = 400302252126.

The previous prime is 400302252073. The next prime is 400302252157. The reversal of 400302252127 is 721252203004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400302252127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400302252095 and 400302252104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400302252157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200151126063 + 200151126064.

It is an arithmetic number, because the mean of its divisors is an integer number (200151126064).

Almost surely, 2^400302252127 is an apocalyptic number.

400302252127 is a deficient number, since it is larger than the sum of its proper divisors (1).

400302252127 is an equidigital number, since it uses as much as digits as its factorization.

400302252127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 400302252127 in words is "four hundred billion, three hundred two million, two hundred fifty-two thousand, one hundred twenty-seven".