80485770240 has 264 divisors, whose sum is σ = 280577868480. Its totient is φ = 21332312064.

The previous prime is 80485770229. The next prime is 80485770307. The reversal of 80485770240 is 4207758408.

80485770240 is a `hidden beast` number, since 80 + 485 + 7 + 70 + 24 + 0 = 666.

It is a super-2 number, since 2×80485770240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7690131 + ... + 7700589.

Almost surely, 2^80485770240 is an apocalyptic number.

80485770240 is a gapful number since it is divisible by the number (80) 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 80485770240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140288934240).

80485770240 is an abundant number, since it is smaller than the sum of its proper divisors (200092098240).

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

80485770240 is a wasteful number, since it uses less digits than its factorization.

80485770240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 80485770240 in words is "eighty billion, four hundred eighty-five million, seven hundred seventy thousand, two hundred forty".