654467071944 has 288 divisors, whose sum is σ = 1939858200000. Its totient is φ = 183453355008.

The previous prime is 654467071927. The next prime is 654467071949. The reversal of 654467071944 is 449170764456.

654467071944 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (654467071949) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3288779157 + ... + 3288779355.

It is an arithmetic number, because the mean of its divisors is an integer number (6735618750).

Almost surely, 2^654467071944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654467071944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969929100000).

654467071944 is an abundant number, since it is smaller than the sum of its proper divisors (1285391128056).

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

654467071944 is a wasteful number, since it uses less digits than its factorization.

654467071944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 654467071944 in words is "six hundred fifty-four billion, four hundred sixty-seven million, seventy-one thousand, nine hundred forty-four".