400451014564250 has 64 divisors (see below), whose sum is σ = 810774093441312. Its totient is φ = 147224248588800.

The previous prime is 400451014564207. The next prime is 400451014564259. The reversal of 400451014564250 is 52465410154004.

It can be written as a sum of positive squares in 16 ways, for example, as 106855160903929 + 293595853660321 = 10337077^2 + 17134639^2 .

It is a super-2 number, since 2×400451014564250² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400451014564198 and 400451014564207.

It is not an unprimeable number, because it can be changed into a prime (400451014564259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263654117 + ... + 265168616.

Almost surely, 2^{400451014564250} is an apocalyptic number.

400451014564250 is an abundant number, since it is smaller than the sum of its proper divisors (410323078877062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400451014564250 is a wasteful number, since it uses less digits than its factorization.

400451014564250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528822996 (or 528822986 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 400451014564250 in words is "four hundred trillion, four hundred fifty-one billion, fourteen million, five hundred sixty-four thousand, two hundred fifty".