42725159388 has 144 divisors (see below), whose sum is σ = 113353583616. Its totient is φ = 13552323840.

The previous prime is 42725159371. The next prime is 42725159413. The reversal of 42725159388 is 88395152724.

42725159388 is a `hidden beast` number, since 4 + 2 + 7 + 251 + 5 + 9 + 388 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38044995 + ... + 38046117.

It is an arithmetic number, because the mean of its divisors is an integer number (787177664).

Almost surely, 2^42725159388 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 42725159388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56676791808).

42725159388 is an abundant number, since it is smaller than the sum of its proper divisors (70628424228).

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

42725159388 is a wasteful number, since it uses less digits than its factorization.

42725159388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1699 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 42725159388 in words is "forty-two billion, seven hundred twenty-five million, one hundred fifty-nine thousand, three hundred eighty-eight".