653460523644 has 48 divisors (see below), whose sum is σ = 1618266849696. Its totient is φ = 204520243200.

The previous prime is 653460523643. The next prime is 653460523739. The reversal of 653460523644 is 446325064356.

It is a super-2 number, since 2×653460523644² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 653460523593 and 653460523602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653460523643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718437 + ... + 3890204.

It is an arithmetic number, because the mean of its divisors is an integer number (33713892702).

Almost surely, 2^653460523644 is an apocalyptic number.

It is an amenable number.

653460523644 is an abundant number, since it is smaller than the sum of its proper divisors (964806326052).

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

653460523644 is a wasteful number, since it uses less digits than its factorization.

653460523644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609086 (or 7609084 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 653460523644 in words is "six hundred fifty-three billion, four hundred sixty million, five hundred twenty-three thousand, six hundred forty-four".