90252240027 has 16 divisors (see below), whose sum is σ = 123282220320. Its totient is φ = 58695468800.

The previous prime is 90252239983. The next prime is 90252240107. The reversal of 90252240027 is 72004225209.

It is not a de Polignac number, because 90252240027 - 2¹⁶ = 90252174491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90252240027.

It is not an unprimeable number, because it can be changed into a prime (90252240427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779277 + ... + 1829297.

It is an arithmetic number, because the mean of its divisors is an integer number (7705138770).

Almost surely, 2^90252240027 is an apocalyptic number.

90252240027 is a deficient number, since it is larger than the sum of its proper divisors (33029980293).

90252240027 is a wasteful number, since it uses less digits than its factorization.

90252240027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64734.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 90252240027 in words is "ninety billion, two hundred fifty-two million, two hundred forty thousand, twenty-seven".