400003422312232 has 32 divisors (see below), whose sum is σ = 780828598391400. Its totient is φ = 191930557307904.

The previous prime is 400003422312203. The next prime is 400003422312257. The reversal of 400003422312232 is 232213224300004.

It can be written as a sum of positive squares in 4 ways, for example, as 388224208000836 + 11779214311396 = 19703406^2 + 3432086^2 .

It is a super-2 number, since 2×400003422312232² (a number of 30 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 400003422312232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9255888757 + ... + 9255931972.

Almost surely, 2^{400003422312232} is an apocalyptic number.

It is an amenable number.

400003422312232 is a deficient number, since it is larger than the sum of its proper divisors (380825176079168).

400003422312232 is a wasteful number, since it uses less digits than its factorization.

400003422312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511820845 (or 18511820841 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 400003422312232 its reverse (232213224300004), we get a palindrome (632216646612236).

The spelling of 400003422312232 in words is "four hundred trillion, three billion, four hundred twenty-two million, three hundred twelve thousand, two hundred thirty-two".