3581132420420 has 48 divisors (see below), whose sum is σ = 8058690114048. Its totient is φ = 1331947752960.

The previous prime is 3581132420419. The next prime is 3581132420431. The reversal of 3581132420420 is 240242311853.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63422036 + ... + 63478475.

It is an arithmetic number, because the mean of its divisors is an integer number (167889377376).

Almost surely, 2^{3581132420420} is an apocalyptic number.

It is an amenable number.

3581132420420 is an abundant number, since it is smaller than the sum of its proper divisors (4477557693628).

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

3581132420420 is a wasteful number, since it uses less digits than its factorization.

3581132420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126900620 (or 126900618 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 3581132420420 in words is "three trillion, five hundred eighty-one billion, one hundred thirty-two million, four hundred twenty thousand, four hundred twenty".