60400646272728 has 128 divisors (see below), whose sum is σ = 175089470400000. Its totient is φ = 19256512404096.

The previous prime is 60400646272621. The next prime is 60400646272783. The reversal of 60400646272728 is 82727264600406.

60400646272728 is a `hidden beast` number, since 6 + 0 + 4 + 0 + 0 + 6 + 4 + 627 + 2 + 7 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 57601018 + ... + 58640246.

It is an arithmetic number, because the mean of its divisors is an integer number (1367886487500).

Almost surely, 2^{60400646272728} 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 60400646272728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87544735200000).

60400646272728 is an abundant number, since it is smaller than the sum of its proper divisors (114688824127272).

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

60400646272728 is a wasteful number, since it uses less digits than its factorization.

60400646272728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050966 (or 1050956 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 60400646272728 in words is "sixty trillion, four hundred billion, six hundred forty-six million, two hundred seventy-two thousand, seven hundred twenty-eight".