4145207621380 has 48 divisors (see below), whose sum is σ = 9948675574656. Its totient is φ = 1421188715520.

The previous prime is 4145207621299. The next prime is 4145207621381. The reversal of 4145207621380 is 831267025414.

It is not an unprimeable number, because it can be changed into a prime (4145207621381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8705847 + ... + 9169633.

It is an arithmetic number, because the mean of its divisors is an integer number (207264074472).

Almost surely, 2^{4145207621380} is an apocalyptic number.

It is an amenable number.

4145207621380 is an abundant number, since it is smaller than the sum of its proper divisors (5803467953276).

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

4145207621380 is a wasteful number, since it uses less digits than its factorization.

4145207621380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527644 (or 527642 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 4145207621380 in words is "four trillion, one hundred forty-five billion, two hundred seven million, six hundred twenty-one thousand, three hundred eighty".