485434903440 has 160 divisors (see below), whose sum is σ = 1599002764416. Its totient is φ = 121403842560.

The previous prime is 485434903439. The next prime is 485434903463. The reversal of 485434903440 is 44309434584.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 485434903440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944430 + ... + 1364850.

Almost surely, 2^485434903440 is an apocalyptic number.

485434903440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485434903440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799501382208).

485434903440 is an abundant number, since it is smaller than the sum of its proper divisors (1113567860976).

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

485434903440 is a wasteful number, since it uses less digits than its factorization.

485434903440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420737 (or 420731 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 485434903440 in words is "four hundred eighty-five billion, four hundred thirty-four million, nine hundred three thousand, four hundred forty".