400453120443052 has 6 divisors (see below), whose sum is σ = 700792960775348. Its totient is φ = 200226560221524.

The previous prime is 400453120443037. The next prime is 400453120443053. The reversal of 400453120443052 is 250344021354004.

It is not an unprimeable number, because it can be changed into a prime (400453120443053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50056640055378 + ... + 50056640055385.

Almost surely, 2^{400453120443052} is an apocalyptic number.

It is an amenable number.

400453120443052 is a deficient number, since it is larger than the sum of its proper divisors (300339840332296).

400453120443052 is a wasteful number, since it uses less digits than its factorization.

400453120443052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100113280110767 (or 100113280110765 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 400453120443052 its reverse (250344021354004), we get a palindrome (650797141797056).

The spelling of 400453120443052 in words is "four hundred trillion, four hundred fifty-three billion, one hundred twenty million, four hundred forty-three thousand, fifty-two".