654540045456 has 40 divisors (see below), whose sum is σ = 1844612856864. Its totient is φ = 198345468160.

The previous prime is 654540045433. The next prime is 654540045461.

It is a happy number.

654540045456 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×654540045456² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619829061 + ... + 619830116.

Almost surely, 2^654540045456 is an apocalyptic number.

654540045456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

654540045456 is an abundant number, since it is smaller than the sum of its proper divisors (1190072811408).

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

654540045456 is a wasteful number, since it uses less digits than its factorization.

654540045456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239659199 (or 1239659193 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 654540045456 in words is "six hundred fifty-four billion, five hundred forty million, forty-five thousand, four hundred fifty-six".