402023454064 has 80 divisors (see below), whose sum is σ = 800595187200. Its totient is φ = 195476736512.

The previous prime is 402023454031. The next prime is 402023454067. The reversal of 402023454064 is 460454320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402023454067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97128507 + ... + 97132645.

It is an arithmetic number, because the mean of its divisors is an integer number (10007439840).

Almost surely, 2^402023454064 is an apocalyptic number.

It is an amenable number.

402023454064 is a deficient number, since it is larger than the sum of its proper divisors (398571733136).

402023454064 is a wasteful number, since it uses less digits than its factorization.

402023454064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990 (or 4984 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 402023454064 its reverse (460454320204), we get a palindrome (862477774268).

The spelling of 402023454064 in words is "four hundred two billion, twenty-three million, four hundred fifty-four thousand, sixty-four".