28753126306040 has 64 divisors (see below), whose sum is σ = 68219193492000. Its totient is φ = 10876772136960.

The previous prime is 28753126305973. The next prime is 28753126306049. The reversal of 28753126306040 is 4060362135782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28753126306049) 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, 32812781 + ... + 33677660.

Almost surely, 2^{28753126306040} is an apocalyptic number.

28753126306040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28753126306040 is an abundant number, since it is smaller than the sum of its proper divisors (39466067185960).

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

28753126306040 is a wasteful number, since it uses less digits than its factorization.

28753126306040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66491040 (or 66491036 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 28753126306040 in words is "twenty-eight trillion, seven hundred fifty-three billion, one hundred twenty-six million, three hundred six thousand, forty".