28096266240 has 408 divisors, whose sum is σ = 111395670048. Its totient is φ = 6417285120.

The previous prime is 28096266227. The next prime is 28096266257. The reversal of 28096266240 is 4266269082.

28096266240 is a `hidden beast` number, since 280 + 96 + 266 + 24 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20643160 + ... + 20644520.

Almost surely, 2^28096266240 is an apocalyptic number.

28096266240 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 28096266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55697835024).

28096266240 is an abundant number, since it is smaller than the sum of its proper divisors (83299403808).

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

28096266240 is an equidigital number, since it uses as much as digits as its factorization.

28096266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 28096266240 in words is "twenty-eight billion, ninety-six million, two hundred sixty-six thousand, two hundred forty".