840070480 has 40 divisors (see below), whose sum is σ = 1994729472. Its totient is φ = 328877184.

The previous prime is 840070471. The next prime is 840070481. The reversal of 840070480 is 84070048.

840070480 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×840070480² = 1411436822734860800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840070481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107952 + ... + 115471.

Almost surely, 2^840070480 is an apocalyptic number.

840070480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

840070480 is an abundant number, since it is smaller than the sum of its proper divisors (1154658992).

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

840070480 is a wasteful number, since it uses less digits than its factorization.

840070480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223483 (or 223477 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 840070480 is about 28983.9693623907. The cubic root of 840070480 is about 943.5651844580.

The spelling of 840070480 in words is "eight hundred forty million, seventy thousand, four hundred eighty".