840080408488 has 16 divisors (see below), whose sum is σ = 1575160876980. Its totient is φ = 420037507968.

The previous prime is 840080408467. The next prime is 840080408509. The reversal of 840080408488 is 884804080048.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (840080408467) and next prime (840080408509).

It can be written as a sum of positive squares in 2 ways, for example, as 768353927364 + 71726481124 = 876558^2 + 267818^2 .

It is a super-2 number, since 2×840080408488² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740306 + ... + 2169982.

Almost surely, 2^840080408488 is an apocalyptic number.

It is an amenable number.

840080408488 is a deficient number, since it is larger than the sum of its proper divisors (735080468492).

840080408488 is a wasteful number, since it uses less digits than its factorization.

840080408488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674076 (or 674072 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 840080408488 in words is "eight hundred forty billion, eighty million, four hundred eight thousand, four hundred eighty-eight".