90500541542378 has 32 divisors (see below), whose sum is σ = 150988198709952. Its totient is φ = 40338567907200.

The previous prime is 90500541542377. The next prime is 90500541542413. The reversal of 90500541542378 is 87324514500509.

It is a super-2 number, since 2×90500541542378² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90500541542377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162587828 + ... + 163143503.

It is an arithmetic number, because the mean of its divisors is an integer number (4718381209686).

Almost surely, 2^{90500541542378} is an apocalyptic number.

90500541542378 is a deficient number, since it is larger than the sum of its proper divisors (60487657167574).

90500541542378 is a wasteful number, since it uses less digits than its factorization.

90500541542378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325731590.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 90500541542378 in words is "ninety trillion, five hundred billion, five hundred forty-one million, five hundred forty-two thousand, three hundred seventy-eight".