28554263100 has 288 divisors, whose sum is σ = 104498311680. Its totient is φ = 6621120000.

The previous prime is 28554263083. The next prime is 28554263119. The reversal of 28554263100 is 136245582.

28554263100 is a `hidden beast` number, since 2 + 8 + 5 + 542 + 6 + 3 + 100 = 666.

It is a super-2 number, since 2×28554263100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 662200 + ... + 704000.

It is an arithmetic number, because the mean of its divisors is an integer number (362841360).

Almost surely, 2^28554263100 is an apocalyptic number.

28554263100 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 28554263100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52249155840).

28554263100 is an abundant number, since it is smaller than the sum of its proper divisors (75944048580).

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

28554263100 is a wasteful number, since it uses less digits than its factorization.

28554263100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41858 (or 41845 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 28554263100 in words is "twenty-eight billion, five hundred fifty-four million, two hundred sixty-three thousand, one hundred".