28345037615004 has 48 divisors (see below), whose sum is σ = 73373903245440. Its totient is φ = 8443822194240.

The previous prime is 28345037615003. The next prime is 28345037615021. The reversal of 28345037615004 is 40051673054382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28345037615003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819781479 + ... + 1819797054.

It is an arithmetic number, because the mean of its divisors is an integer number (1528622984280).

Almost surely, 2^{28345037615004} is an apocalyptic number.

It is an amenable number.

28345037615004 is an abundant number, since it is smaller than the sum of its proper divisors (45028865630436).

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

28345037615004 is a wasteful number, since it uses less digits than its factorization.

28345037615004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639578610 (or 3639578608 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 28345037615004 in words is "twenty-eight trillion, three hundred forty-five billion, thirty-seven million, six hundred fifteen thousand, four".