400247000226 has 24 divisors (see below), whose sum is σ = 867214952604. Its totient is φ = 133413648480.

The previous prime is 400247000189. The next prime is 400247000227. The reversal of 400247000226 is 622000742004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 395332850025 + 4914150201 = 628755^2 + 70101^2 .

It is a super-2 number, since 2×400247000226² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400247000226.

It is not an unprimeable number, because it can be changed into a prime (400247000227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504156 + ... + 1750136.

Almost surely, 2^400247000226 is an apocalyptic number.

400247000226 is an abundant number, since it is smaller than the sum of its proper divisors (466967952378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400247000226 is a wasteful number, since it uses less digits than its factorization.

400247000226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336386 (or 336383 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The spelling of 400247000226 in words is "four hundred billion, two hundred forty-seven million, two hundred twenty-six", and thus it is an aban number.