28541450 has 24 divisors (see below), whose sum is σ = 60671712. Its totient is φ = 9785520.

The previous prime is 28541437. The next prime is 28541497. The reversal of 28541450 is 5414582.

It is a super-2 number, since 2×28541450² = 1629228736205000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40424 + ... + 41123.

It is an arithmetic number, because the mean of its divisors is an integer number (2527988).

Almost surely, 2^28541450 is an apocalyptic number.

28541450 is an abundant number, since it is smaller than the sum of its proper divisors (32130262).

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

28541450 is a wasteful number, since it uses less digits than its factorization.

28541450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81566 (or 81561 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 28541450 is about 5342.4198636947. The cubic root of 28541450 is about 305.6037489946.

The spelling of 28541450 in words is "twenty-eight million, five hundred forty-one thousand, four hundred fifty".