28898195040 has 960 divisors, whose sum is σ = 123927293952. Its totient is φ = 6245683200.

The previous prime is 28898195033. The next prime is 28898195057. The reversal of 28898195040 is 4059189882.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 57451429 + ... + 57451931.

Almost surely, 2^28898195040 is an apocalyptic number.

28898195040 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 28898195040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61963646976).

28898195040 is an abundant number, since it is smaller than the sum of its proper divisors (95029098912).

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

28898195040 is a wasteful number, since it uses less digits than its factorization.

28898195040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 28898195040 in words is "twenty-eight billion, eight hundred ninety-eight million, one hundred ninety-five thousand, forty".