990242424471 has 32 divisors (see below), whose sum is σ = 1391035576320. Its totient is φ = 625722003200.

The previous prime is 990242424427. The next prime is 990242424551. The reversal of 990242424471 is 174424242099.

990242424471 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990242424471 - 2⁷ = 990242424343 is a prime.

It is a super-3 number, since 3×990242424471³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 990242424471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990242424421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1095226 + ... + 1783256.

It is an arithmetic number, because the mean of its divisors is an integer number (43469861760).

Almost surely, 2^990242424471 is an apocalyptic number.

990242424471 is a deficient number, since it is larger than the sum of its proper divisors (400793151849).

990242424471 is a wasteful number, since it uses less digits than its factorization.

990242424471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688367.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 990242424471 in words is "nine hundred ninety billion, two hundred forty-two million, four hundred twenty-four thousand, four hundred seventy-one".