4474086640 has 40 divisors (see below), whose sum is σ = 10409365008. Its totient is φ = 1788410880.

The previous prime is 4474086601. The next prime is 4474086641. The reversal of 4474086640 is 466804744.

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

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4474086641) 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, 103480 + ... + 140200.

Almost surely, 2^4474086640 is an apocalyptic number.

4474086640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4474086640 is an abundant number, since it is smaller than the sum of its proper divisors (5935278368).

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

4474086640 is a wasteful number, since it uses less digits than its factorization.

4474086640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38257 (or 38251 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 4474086640 is about 66888.6136797587. The cubic root of 4474086640 is about 1647.7884837878.

The spelling of 4474086640 in words is "four billion, four hundred seventy-four million, eighty-six thousand, six hundred forty".