60405488640 has 352 divisors, whose sum is σ = 245341301760. Its totient is φ = 13806747648.

The previous prime is 60405488587. The next prime is 60405488651. The reversal of 60405488640 is 4688450406.

60405488640 is a `hidden beast` number, since 6 + 0 + 40 + 548 + 8 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 936469 + ... + 998891.

Almost surely, 2^60405488640 is an apocalyptic number.

60405488640 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 60405488640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122670650880).

60405488640 is an abundant number, since it is smaller than the sum of its proper divisors (184935813120).

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

60405488640 is a wasteful number, since it uses less digits than its factorization.

60405488640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62464 (or 62440 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 60405488640 in words is "sixty billion, four hundred five million, four hundred eighty-eight thousand, six hundred forty".