4405121215000 has 160 divisors (see below), whose sum is σ = 11852097364800. Its totient is φ = 1517553360000.

The previous prime is 4405121214971. The next prime is 4405121215039. The reversal of 4405121215000 is 5121215044.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1062714 + ... + 3152713.

It is an arithmetic number, because the mean of its divisors is an integer number (74075608530).

Almost surely, 2^{4405121215000} is an apocalyptic number.

4405121215000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4405121215000 is an abundant number, since it is smaller than the sum of its proper divisors (7446976149800).

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

4405121215000 is a wasteful number, since it uses less digits than its factorization.

4405121215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215483 (or 4215464 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 4405121215000 in words is "four trillion, four hundred five billion, one hundred twenty-one million, two hundred fifteen thousand".