60123440 has 60 divisors (see below), whose sum is σ = 151401024. Its totient is φ = 22194432.

The previous prime is 60123433. The next prime is 60123443. The reversal of 60123440 is 4432106.

It is a happy number.

It is a super-2 number, since 2×60123440² = 7229656074867200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (60123443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11297 + ... + 15743.

Almost surely, 2^60123440 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 60123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75700512).

60123440 is an abundant number, since it is smaller than the sum of its proper divisors (91277584).

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

60123440 is a wasteful number, since it uses less digits than its factorization.

60123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 60123440 is about 7753.9306161456. The cubic root of 60123440 is about 391.7550531374.

Adding to 60123440 its reverse (4432106), we get a palindrome (64555546).

The spelling of 60123440 in words is "sixty million, one hundred twenty-three thousand, four hundred forty".