28840150212390 has 768 divisors, whose sum is σ = 88394912686080. Its totient is φ = 6704489594880.

The previous prime is 28840150212389. The next prime is 28840150212409. The reversal of 28840150212390 is 9321205104882.

28840150212390 is a `hidden beast` number, since 2 + 8 + 8 + 40 + 1 + 5 + 0 + 212 + 390 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 37503445926 + ... + 37503446694.

It is an arithmetic number, because the mean of its divisors is an integer number (115097542560).

Almost surely, 2^{28840150212390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28840150212390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44197456343040).

28840150212390 is an abundant number, since it is smaller than the sum of its proper divisors (59554762473690).

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

28840150212390 is a wasteful number, since it uses less digits than its factorization.

28840150212390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 28840150212390 in words is "twenty-eight trillion, eight hundred forty billion, one hundred fifty million, two hundred twelve thousand, three hundred ninety".