28903264058640 has 160 divisors (see below), whose sum is σ = 91295680452480. Its totient is φ = 7561698213888.

The previous prime is 28903264058411. The next prime is 28903264058653. The reversal of 28903264058640 is 4685046230982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283261551 + ... + 283363569.

It is an arithmetic number, because the mean of its divisors is an integer number (570598002828).

Almost surely, 2^{28903264058640} is an apocalyptic number.

28903264058640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28903264058640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45647840226240).

28903264058640 is an abundant number, since it is smaller than the sum of its proper divisors (62392416393840).

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

28903264058640 is a wasteful number, since it uses less digits than its factorization.

28903264058640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124361 (or 124355 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 28903264058640 in words is "twenty-eight trillion, nine hundred three billion, two hundred sixty-four million, fifty-eight thousand, six hundred forty".