654526420064 has 48 divisors (see below), whose sum is σ = 1407085117200. Its totient is φ = 297228226560.

The previous prime is 654526420061. The next prime is 654526420099. The reversal of 654526420064 is 460024625456.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 654526419997 and 654526420024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654526420061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517049 + ... + 1255544.

It is an arithmetic number, because the mean of its divisors is an integer number (29314273275).

Almost surely, 2^654526420064 is an apocalyptic number.

It is an amenable number.

654526420064 is an abundant number, since it is smaller than the sum of its proper divisors (752558697136).

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

654526420064 is a wasteful number, since it uses less digits than its factorization.

654526420064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773663 (or 1773655 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 654526420064 in words is "six hundred fifty-four billion, five hundred twenty-six million, four hundred twenty thousand, sixty-four".