7005639480 has 128 divisors (see below), whose sum is σ = 25432289280. Its totient is φ = 1507092480.

The previous prime is 7005639457. The next prime is 7005639547. The reversal of 7005639480 is 849365007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 231016 + ... + 259575.

It is an arithmetic number, because the mean of its divisors is an integer number (198689760).

Almost surely, 2^7005639480 is an apocalyptic number.

7005639480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7005639480 is an abundant number, since it is smaller than the sum of its proper divisors (18426649800).

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

7005639480 is a wasteful number, since it uses less digits than its factorization.

7005639480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490629 (or 490625 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 7005639480 is about 83699.6982073412. The cubic root of 7005639480 is about 1913.4447561713. Note that the first 3 decimals are identical.

The spelling of 7005639480 in words is "seven billion, five million, six hundred thirty-nine thousand, four hundred eighty".