400420205533324 has 48 divisors (see below), whose sum is σ = 703117163847168. Its totient is φ = 199530702982208.

The previous prime is 400420205533319. The next prime is 400420205533373. The reversal of 400420205533324 is 423335502024004.

It is a super-2 number, since 2×400420205533324² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9356246694 + ... + 9356289490.

It is an arithmetic number, because the mean of its divisors is an integer number (14648274246816).

Almost surely, 2^{400420205533324} is an apocalyptic number.

It is an amenable number.

400420205533324 is a deficient number, since it is larger than the sum of its proper divisors (302696958313844).

400420205533324 is a wasteful number, since it uses less digits than its factorization.

400420205533324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49134 (or 49132 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 400420205533324 its reverse (423335502024004), we get a palindrome (823755707557328).

The spelling of 400420205533324 in words is "four hundred trillion, four hundred twenty billion, two hundred five million, five hundred thirty-three thousand, three hundred twenty-four".