40028724963520 has 224 divisors, whose sum is σ = 104778755136000. Its totient is φ = 14498015330304.

The previous prime is 40028724963517. The next prime is 40028724963571. The reversal of 40028724963520 is 2536942782004.

40028724963520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181262131 + ... + 181482829.

Almost surely, 2^{40028724963520} is an apocalyptic number.

40028724963520 is a gapful number since it is divisible by the number (40) 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 40028724963520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52389377568000).

40028724963520 is an abundant number, since it is smaller than the sum of its proper divisors (64750030172480).

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

40028724963520 is a wasteful number, since it uses less digits than its factorization.

40028724963520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222055 (or 222045 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 40028724963520 in words is "forty trillion, twenty-eight billion, seven hundred twenty-four million, nine hundred sixty-three thousand, five hundred twenty".