653721492480 has 1408 divisors, whose sum is σ = 2662250250240. Its totient is φ = 133488967680.

The previous prime is 653721492461. The next prime is 653721492503. The reversal of 653721492480 is 84294127356.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4703032251 + ... + 4703032389.

It is a 1-persistent number, because it is pandigital, but 2⋅653721492480 = 1307442984960 is not.

Almost surely, 2^653721492480 is an apocalyptic number.

653721492480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653721492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331125125120).

653721492480 is an abundant number, since it is smaller than the sum of its proper divisors (2008528757760).

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

653721492480 is a wasteful number, since it uses less digits than its factorization.

653721492480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 653721492480 in words is "six hundred fifty-three billion, seven hundred twenty-one million, four hundred ninety-two thousand, four hundred eighty".