60553442640 has 160 divisors (see below), whose sum is σ = 193866877440. Its totient is φ = 15626186752.

The previous prime is 60553442633. The next prime is 60553442659. The reversal of 60553442640 is 4624435506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973762 + ... + 1034078.

It is an arithmetic number, because the mean of its divisors is an integer number (1211667984).

Almost surely, 2^60553442640 is an apocalyptic number.

60553442640 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 60553442640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96933438720).

60553442640 is an abundant number, since it is smaller than the sum of its proper divisors (133313434800).

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

60553442640 is a wasteful number, since it uses less digits than its factorization.

60553442640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60469 (or 60463 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 60553442640 in words is "sixty billion, five hundred fifty-three million, four hundred forty-two thousand, six hundred forty".