28424513470000 has 100 divisors (see below), whose sum is σ = 68849628766336. Its totient is φ = 11364677280000.

The previous prime is 28424513469917. The next prime is 28424513470037. The reversal of 28424513470000 is 7431542482.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×28424513470000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21570097 + ... + 22849903.

Almost surely, 2^{28424513470000} is an apocalyptic number.

28424513470000 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 28424513470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34424814383168).

28424513470000 is an abundant number, since it is smaller than the sum of its proper divisors (40425115296336).

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

28424513470000 is a wasteful number, since it uses less digits than its factorization.

28424513470000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282056 (or 1282035 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 28424513470000 in words is "twenty-eight trillion, four hundred twenty-four billion, five hundred thirteen million, four hundred seventy thousand".