60139427400 has 288 divisors, whose sum is σ = 224310420000. Its totient is φ = 14803326720.

The previous prime is 60139427393. The next prime is 60139427401. The reversal of 60139427400 is 472493106.

60139427400 is a `hidden beast` number, since 60 + 139 + 427 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (60139427401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 879651 + ... + 945549.

It is an arithmetic number, because the mean of its divisors is an integer number (778855625).

Almost surely, 2^60139427400 is an apocalyptic number.

60139427400 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 60139427400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112155210000).

60139427400 is an abundant number, since it is smaller than the sum of its proper divisors (164170992600).

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

60139427400 is a wasteful number, since it uses less digits than its factorization.

60139427400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65950 (or 65922 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 60139427400 in words is "sixty billion, one hundred thirty-nine million, four hundred twenty-seven thousand, four hundred".