3104156621544 has 128 divisors (see below), whose sum is σ = 8600473728000. Its totient is φ = 925785090560.

The previous prime is 3104156621537. The next prime is 3104156621549. The reversal of 3104156621544 is 4451266514013.

It is a junction number, because it is equal to n+sod(n) for n = 3104156621496 and 3104156621505.

It is not an unprimeable number, because it can be changed into a prime (3104156621549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5493532 + ... + 6032180.

It is an arithmetic number, because the mean of its divisors is an integer number (67191201000).

Almost surely, 2^{3104156621544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3104156621544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4300236864000).

3104156621544 is an abundant number, since it is smaller than the sum of its proper divisors (5496317106456).

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

3104156621544 is a wasteful number, since it uses less digits than its factorization.

3104156621544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539015 (or 539011 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 3104156621544 in words is "three trillion, one hundred four billion, one hundred fifty-six million, six hundred twenty-one thousand, five hundred forty-four".