90060240 has 40 divisors (see below), whose sum is σ = 279187488. Its totient is φ = 24016000.

The previous prime is 90060227. The next prime is 90060251. The reversal of 90060240 is 4206009.

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

It is a super-2 number, since 2×90060240² = 16221693657715200, which contains 22 as substring.

It is a congruent number.

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, 187386 + ... + 187865.

Almost surely, 2^90060240 is an apocalyptic number.

It is an amenable number.

90060240 is an abundant number, since it is smaller than the sum of its proper divisors (189127248).

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

90060240 is a wasteful number, since it uses less digits than its factorization.

90060240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375267 (or 375261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 90060240 is about 9490.0073761826. The cubic root of 90060240 is about 448.2404374755.

Adding to 90060240 its reverse (4206009), we get a palindrome (94266249).

The spelling of 90060240 in words is "ninety million, sixty thousand, two hundred forty".