60879440 has 20 divisors (see below), whose sum is σ = 141544884. Its totient is φ = 24351744.

The previous prime is 60879437. The next prime is 60879451. The reversal of 60879440 is 4497806.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 17372224 = 6596^2 + 4168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 60879394 and 60879403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380417 + ... + 380576.

Almost surely, 2^60879440 is an apocalyptic number.

It is an amenable number.

60879440 is an abundant number, since it is smaller than the sum of its proper divisors (80665444).

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

60879440 is a wasteful number, since it uses less digits than its factorization.

60879440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761006 (or 761000 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 60879440 is about 7802.5277955288. The cubic root of 60879440 is about 393.3902116987.

The spelling of 60879440 in words is "sixty million, eight hundred seventy-nine thousand, four hundred forty".