59912640 has 168 divisors, whose sum is σ = 209690208. Its totient is φ = 15697920.

The previous prime is 59912621. The next prime is 59912647. The reversal of 59912640 is 4621995.

59912640 is a `hidden beast` number, since 5 + 9 + 9 + 1 + 2 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 59912595 and 59912604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59912647) 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, 204334 + ... + 204626.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 2^59912640 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 59912640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104845104).

59912640 is an abundant number, since it is smaller than the sum of its proper divisors (149777568).

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

59912640 is a wasteful number, since it uses less digits than its factorization.

59912640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 59912640 is about 7740.3255745479. The cubic root of 59912640 is about 391.2966702519.

The spelling of 59912640 in words is "fifty-nine million, nine hundred twelve thousand, six hundred forty".