3644121485076 has 48 divisors (see below), whose sum is σ = 8508381647808. Its totient is φ = 1213931462400.

The previous prime is 3644121485021. The next prime is 3644121485077. The reversal of 3644121485076 is 6705841214463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644121485077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182095911 + ... + 182115921.

It is an arithmetic number, because the mean of its divisors is an integer number (177257950996).

Almost surely, 2^{3644121485076} is an apocalyptic number.

It is an amenable number.

3644121485076 is an abundant number, since it is smaller than the sum of its proper divisors (4864260162732).

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

3644121485076 is a wasteful number, since it uses less digits than its factorization.

3644121485076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952 (or 28950 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 3644121485076 in words is "three trillion, six hundred forty-four billion, one hundred twenty-one million, four hundred eighty-five thousand, seventy-six".