60040240 has 40 divisors (see below), whose sum is σ = 150334128. Its totient is φ = 22168320.

The previous prime is 60040231. The next prime is 60040259. The reversal of 60040240 is 4204006.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27826 + ... + 29905.

Almost surely, 2^60040240 is an apocalyptic number.

It is an amenable number.

60040240 is an abundant number, since it is smaller than the sum of its proper divisors (90293888).

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

60040240 is a wasteful number, since it uses less digits than its factorization.

60040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57757 (or 57751 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 60040240 is about 7748.5637378807. The cubic root of 60040240 is about 391.5742635998.

Adding to 60040240 its reverse (4204006), we get a palindrome (64244246).

The spelling of 60040240 in words is "sixty million, forty thousand, two hundred forty".