59439940 has 72 divisors (see below), whose sum is σ = 146627712. Its totient is φ = 20180160.

The previous prime is 59439917. The next prime is 59439943. The reversal of 59439940 is 4993495.

It is not an unprimeable number, because it can be changed into a prime (59439943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128149 + ... + 128611.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 2^59439940 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 59439940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73313856).

59439940 is an abundant number, since it is smaller than the sum of its proper divisors (87187772).

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

59439940 is a wasteful number, since it uses less digits than its factorization.

59439940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 59439940 is about 7709.7302157728. The cubic root of 59439940 is about 390.2648650052.

The spelling of 59439940 in words is "fifty-nine million, four hundred thirty-nine thousand, nine hundred forty".