840453080 has 16 divisors (see below), whose sum is σ = 1891019520. Its totient is φ = 336181216.

The previous prime is 840453041. The next prime is 840453101. The reversal of 840453080 is 80354048.

It is a super-2 number, since 2×840453080² = 1412722759362972800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505624 + ... + 10505703.

It is an arithmetic number, because the mean of its divisors is an integer number (118188720).

Almost surely, 2^840453080 is an apocalyptic number.

It is an amenable number.

840453080 is an abundant number, since it is smaller than the sum of its proper divisors (1050566440).

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

840453080 is a wasteful number, since it uses less digits than its factorization.

840453080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011338 (or 21011334 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 840453080 is about 28990.5688112531. The cubic root of 840453080 is about 943.7084078566.

The spelling of 840453080 in words is "eight hundred forty million, four hundred fifty-three thousand, eighty".