484402135440 has 80 divisors (see below), whose sum is σ = 1511211365568. Its totient is φ = 128351129088.

The previous prime is 484402135429. The next prime is 484402135489. The reversal of 484402135440 is 44531204484.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6390162 + ... + 6465521.

Almost surely, 2^484402135440 is an apocalyptic number.

484402135440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

484402135440 is an abundant number, since it is smaller than the sum of its proper divisors (1026809230128).

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

484402135440 is a wasteful number, since it uses less digits than its factorization.

484402135440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855856 (or 12855850 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

The spelling of 484402135440 in words is "four hundred eighty-four billion, four hundred two million, one hundred thirty-five thousand, four hundred forty".