840088484 has 24 divisors (see below), whose sum is σ = 1489803840. Its totient is φ = 414443744.

The previous prime is 840088423. The next prime is 840088493. The reversal of 840088484 is 484880048.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405002 + ... + 407070.

It is an arithmetic number, because the mean of its divisors is an integer number (62075160).

Almost surely, 2^840088484 is an apocalyptic number.

It is an amenable number.

840088484 is a deficient number, since it is larger than the sum of its proper divisors (649715356).

840088484 is a wasteful number, since it uses less digits than its factorization.

840088484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The square root of 840088484 is about 28984.2799462053. The cubic root of 840088484 is about 943.5719250933.

The spelling of 840088484 in words is "eight hundred forty million, eighty-eight thousand, four hundred eighty-four".