400245330052 has 24 divisors (see below), whose sum is σ = 707695219224. Its totient is φ = 198046958592.

The previous prime is 400245330047. The next prime is 400245330059. The reversal of 400245330052 is 250033542004.

It can be written as a sum of positive squares in 4 ways, for example, as 46477323396 + 353768006656 = 215586^2 + 594784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400245330052.

It is not an unprimeable number, because it can be changed into a prime (400245330059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160298 + ... + 10199614.

It is an arithmetic number, because the mean of its divisors is an integer number (29487300801).

Almost surely, 2^400245330052 is an apocalyptic number.

It is an amenable number.

400245330052 is a deficient number, since it is larger than the sum of its proper divisors (307449889172).

400245330052 is a wasteful number, since it uses less digits than its factorization.

400245330052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65655 (or 65653 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 400245330052 its reverse (250033542004), we get a palindrome (650278872056).

The spelling of 400245330052 in words is "four hundred billion, two hundred forty-five million, three hundred thirty thousand, fifty-two".