4291890933550 has 24 divisors (see below), whose sum is σ = 8708636877192. Its totient is φ = 1560687612000.

The previous prime is 4291890933497. The next prime is 4291890933563. The reversal of 4291890933550 is 553390981924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3901718481 + ... + 3901719580.

It is an arithmetic number, because the mean of its divisors is an integer number (362859869883).

Almost surely, 2^{4291890933550} is an apocalyptic number.

4291890933550 is an abundant number, since it is smaller than the sum of its proper divisors (4416745943642).

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

4291890933550 is a wasteful number, since it uses less digits than its factorization.

4291890933550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803438084 (or 7803438079 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 4291890933550 in words is "four trillion, two hundred ninety-one billion, eight hundred ninety million, nine hundred thirty-three thousand, five hundred fifty".