400212433045453 has 24 divisors (see below), whose sum is σ = 467655429508992. Its totient is φ = 341490577002624.

The previous prime is 400212433045421. The next prime is 400212433045457. The reversal of 400212433045453 is 354540334212004.

It is not a de Polignac number, because 400212433045453 - 2⁵ = 400212433045421 is a prime.

It is a super-2 number, since 2×400212433045453² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400212433045457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99661900 + ... + 103599802.

It is an arithmetic number, because the mean of its divisors is an integer number (19485642896208).

Almost surely, 2^{400212433045453} is an apocalyptic number.

It is an amenable number.

400212433045453 is a deficient number, since it is larger than the sum of its proper divisors (67442996463539).

400212433045453 is a wasteful number, since it uses less digits than its factorization.

400212433045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947281 (or 3947274 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 400212433045453 its reverse (354540334212004), we get a palindrome (754752767257457).

The spelling of 400212433045453 in words is "four hundred trillion, two hundred twelve billion, four hundred thirty-three million, forty-five thousand, four hundred fifty-three".