654291456 has 320 divisors, whose sum is σ = 2229190656. Its totient is φ = 165888000.

The previous prime is 654291439. The next prime is 654291457. The reversal of 654291456 is 654192456.

654291456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654291457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4332981 + ... + 4333131.

Almost surely, 2^654291456 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 654291456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114595328).

654291456 is an abundant number, since it is smaller than the sum of its proper divisors (1574899200).

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

654291456 is a wasteful number, since it uses less digits than its factorization.

654291456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 207 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 654291456 is about 25579.1214860870. The cubic root of 654291456 is about 868.1412980420.

The spelling of 654291456 in words is "six hundred fifty-four million, two hundred ninety-one thousand, four hundred fifty-six".