655471063040 has 104 divisors (see below), whose sum is σ = 1623680043648. Its totient is φ = 253730488320.

The previous prime is 655471063007. The next prime is 655471063073. The reversal of 655471063040 is 40360174556.

It is an interprime number because it is at equal distance from previous prime (655471063007) and next prime (655471063073).

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, 118664 + ... + 1151096.

It is an arithmetic number, because the mean of its divisors is an integer number (15612308112).

Almost surely, 2^655471063040 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 655471063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811840021824).

655471063040 is an abundant number, since it is smaller than the sum of its proper divisors (968208980608).

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

655471063040 is a wasteful number, since it uses less digits than its factorization.

655471063040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032493 (or 1032471 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 655471063040 in words is "six hundred fifty-five billion, four hundred seventy-one million, sixty-three thousand, forty".