90246040 has 32 divisors (see below), whose sum is σ = 203600880. Its totient is φ = 36001152.

The previous prime is 90246017. The next prime is 90246059. The reversal of 90246040 is 4064209.

It is a junction number, because it is equal to n+sod(n) for n = 90245996 and 90246014.

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 7 ways as a sum of consecutive naturals, for example, 13039 + ... + 18721.

Almost surely, 2^90246040 is an apocalyptic number.

It is an amenable number.

90246040 is an abundant number, since it is smaller than the sum of its proper divisors (113354840).

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

90246040 is a wasteful number, since it uses less digits than its factorization.

90246040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091 (or 6087 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 90246040 is about 9499.7915766610. The cubic root of 90246040 is about 448.5484752439.

It can be divided in two parts, 902460 and 40, that added together give a square (902500 = 950²).

The spelling of 90246040 in words is "ninety million, two hundred forty-six thousand, forty".