400145255324 has 24 divisors (see below), whose sum is σ = 749193454800. Its totient is φ = 186435233280.

The previous prime is 400145255309. The next prime is 400145255371. The reversal of 400145255324 is 423552541004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43151669 + ... + 43160940.

It is an arithmetic number, because the mean of its divisors is an integer number (31216393950).

Almost surely, 2^400145255324 is an apocalyptic number.

It is an amenable number.

400145255324 is a deficient number, since it is larger than the sum of its proper divisors (349048199476).

400145255324 is a wasteful number, since it uses less digits than its factorization.

400145255324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86312693 (or 86312691 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 400145255324 its reverse (423552541004), we get a palindrome (823697796328).

The spelling of 400145255324 in words is "four hundred billion, one hundred forty-five million, two hundred fifty-five thousand, three hundred twenty-four".