10215104445644 has 24 divisors (see below), whose sum is σ = 20436660034560. Its totient is φ = 4376519517456.

The previous prime is 10215104445599. The next prime is 10215104445647. The reversal of 10215104445644 is 44654440151201.

It is a super-4 number, since 4×10215104445644⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (10215104445647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57509234 + ... + 57686585.

It is an arithmetic number, because the mean of its divisors is an integer number (851527501440).

Almost surely, 2^{10215104445644} is an apocalyptic number.

10215104445644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10215104445644 is an abundant number, since it is smaller than the sum of its proper divisors (10221555588916).

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

10215104445644 is a wasteful number, since it uses less digits than its factorization.

10215104445644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115198997 (or 115198995 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 10215104445644 its reverse (44654440151201), we get a palindrome (54869544596845).

The spelling of 10215104445644 in words is "ten trillion, two hundred fifteen billion, one hundred four million, four hundred forty-five thousand, six hundred forty-four".