654544404445456 has 40 divisors (see below), whose sum is σ = 1450127125409984. Its totient is φ = 280368294744960.

The previous prime is 654544404445453. The next prime is 654544404445487.

654544404445456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (654544404445453) 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, 1569954510 + ... + 1570371373.

Almost surely, 2^{654544404445456} is an apocalyptic number.

It is an amenable number.

654544404445456 is an abundant number, since it is smaller than the sum of its proper divisors (795582720964528).

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

654544404445456 is a wasteful number, since it uses less digits than its factorization.

654544404445456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140327759 (or 3140327753 counting only the distinct ones).

The product of its (nonzero) digits is 1474560000, while the sum is 64.

It can be divided in two parts, 65454440 and 4445456, that added together give a palindrome (69899896).

The spelling of 654544404445456 in words is "six hundred fifty-four trillion, five hundred forty-four billion, four hundred four million, four hundred forty-five thousand, four hundred fifty-six".