400855088633 has 2 divisors, whose sum is σ = 400855088634. Its totient is φ = 400855088632.

The previous prime is 400855088629. The next prime is 400855088659. The reversal of 400855088633 is 336880558004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249403356409 + 151451732224 = 499403^2 + 389168^2 .

It is a cyclic number.

It is not a de Polignac number, because 400855088633 - 2² = 400855088629 is a prime.

It is not a weakly prime, because it can be changed into another prime (400855088663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200427544316 + 200427544317.

It is an arithmetic number, because the mean of its divisors is an integer number (200427544317).

Almost surely, 2^400855088633 is an apocalyptic number.

It is an amenable number.

400855088633 is a deficient number, since it is larger than the sum of its proper divisors (1).

400855088633 is an equidigital number, since it uses as much as digits as its factorization.

400855088633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 400855088633 in words is "four hundred billion, eight hundred fifty-five million, eighty-eight thousand, six hundred thirty-three".