90454746416 has 20 divisors (see below), whose sum is σ = 175268077512. Its totient is φ = 45224274816.

The previous prime is 90454746391. The next prime is 90454746433. The reversal of 90454746416 is 61464745409.

It is a super-2 number, since 2×90454746416² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57035 + ... + 429141.

Almost surely, 2^90454746416 is an apocalyptic number.

It is an amenable number.

90454746416 is a deficient number, since it is larger than the sum of its proper divisors (84813331096).

90454746416 is a wasteful number, since it uses less digits than its factorization.

90454746416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387308 (or 387302 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 90454746416 in words is "ninety billion, four hundred fifty-four million, seven hundred forty-six thousand, four hundred sixteen".