28053959040 has 256 divisors, whose sum is σ = 104588352000. Its totient is φ = 7087233024.

The previous prime is 28053958969. The next prime is 28053959041. The reversal of 28053959040 is 4095935082.

28053959040 is a `hidden beast` number, since 2 + 8 + 0 + 53 + 9 + 590 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053959041) 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, 285597 + ... + 371043.

It is an arithmetic number, because the mean of its divisors is an integer number (408548250).

Almost surely, 2^28053959040 is an apocalyptic number.

28053959040 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 28053959040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52294176000).

28053959040 is an abundant number, since it is smaller than the sum of its proper divisors (76534392960).

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

28053959040 is a wasteful number, since it uses less digits than its factorization.

28053959040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85494 (or 85476 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 28053959040 in words is "twenty-eight billion, fifty-three million, nine hundred fifty-nine thousand, forty".