28473780426000 has 640 divisors, whose sum is σ = 116628673953792. Its totient is φ = 5813856000000.

The previous prime is 28473780425957. The next prime is 28473780426011. The reversal of 28473780426000 is 62408737482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16084875 + ... + 17767125.

Almost surely, 2^{28473780426000} is an apocalyptic number.

28473780426000 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 28473780426000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58314336976896).

28473780426000 is an abundant number, since it is smaller than the sum of its proper divisors (88154893527792).

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

28473780426000 is a wasteful number, since it uses less digits than its factorization.

28473780426000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682328 (or 1682312 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 28473780426000 in words is "twenty-eight trillion, four hundred seventy-three billion, seven hundred eighty million, four hundred twenty-six thousand".