3996489229980 has 96 divisors (see below), whose sum is σ = 12685212825600. Its totient is φ = 931974812928.

The previous prime is 3996489229973. The next prime is 3996489229991. The reversal of 3996489229980 is 899229846993.

It is a super-2 number, since 2×3996489229980² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 3996489229896 and 3996489229905.

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 31 ways as a sum of consecutive naturals, for example, 134819500 + ... + 134849139.

It is an arithmetic number, because the mean of its divisors is an integer number (132137633600).

Almost surely, 2^{3996489229980} is an apocalyptic number.

3996489229980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3996489229980 is an abundant number, since it is smaller than the sum of its proper divisors (8688723595620).

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

3996489229980 is a wasteful number, since it uses less digits than its factorization.

3996489229980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269668683 (or 269668681 counting only the distinct ones).

The product of its (nonzero) digits is 1088391168, while the sum is 78.

The spelling of 3996489229980 in words is "three trillion, nine hundred ninety-six billion, four hundred eighty-nine million, two hundred twenty-nine thousand, nine hundred eighty".