60090440 has 32 divisors (see below), whose sum is σ = 138084480. Its totient is φ = 23524032.

The previous prime is 60090419. The next prime is 60090449. The reversal of 60090440 is 4409006.

It is a super-2 number, since 2×60090440² = 7221721958787200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60090449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14102 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (4315140).

Almost surely, 2^60090440 is an apocalyptic number.

It is an amenable number.

60090440 is an abundant number, since it is smaller than the sum of its proper divisors (77994040).

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

60090440 is a wasteful number, since it uses less digits than its factorization.

60090440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32021 (or 32017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 60090440 is about 7751.8023710618. The cubic root of 60090440 is about 391.6833657183.

Adding to 60090440 its reverse (4409006), we get a palindrome (64499446).

The spelling of 60090440 in words is "sixty million, ninety thousand, four hundred forty".