400326421562 has 4 divisors (see below), whose sum is σ = 600489632346. Its totient is φ = 200163210780.

The previous prime is 400326421549. The next prime is 400326421571. The reversal of 400326421562 is 265124623004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 369033165361 + 31293256201 = 607481^2 + 176899^2 .

It is a super-2 number, since 2×400326421562² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100081605389 + ... + 100081605392.

Almost surely, 2^400326421562 is an apocalyptic number.

400326421562 is a deficient number, since it is larger than the sum of its proper divisors (200163210784).

400326421562 is a wasteful number, since it uses less digits than its factorization.

400326421562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200163210783.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 400326421562 in words is "four hundred billion, three hundred twenty-six million, four hundred twenty-one thousand, five hundred sixty-two".