3996554580 has 120 divisors (see below), whose sum is σ = 12688818912. Its totient is φ = 1052872128.

The previous prime is 3996554561. The next prime is 3996554647. The reversal of 3996554580 is 854556993.

It is a happy number.

3996554580 is a `hidden beast` number, since 3 + 9 + 9 + 6 + 5 + 54 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119599 + ... + 149321.

Almost surely, 2^3996554580 is an apocalyptic number.

3996554580 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3996554580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6344409456).

3996554580 is an abundant number, since it is smaller than the sum of its proper divisors (8692264332).

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

3996554580 is a wasteful number, since it uses less digits than its factorization.

3996554580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29827 (or 29816 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The square root of 3996554580 is about 63218.3088986094. The cubic root of 3996554580 is about 1586.9451491007.

The spelling of 3996554580 in words is "three billion, nine hundred ninety-six million, five hundred fifty-four thousand, five hundred eighty".