40028145024 has 256 divisors, whose sum is σ = 124084224000. Its totient is φ = 11196401664.

The previous prime is 40028144977. The next prime is 40028145037. The reversal of 40028145024 is 42054182004.

It is a junction number, because it is equal to n+sod(n) for n = 40028144982 and 40028145000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60740407 + ... + 60741065.

It is an arithmetic number, because the mean of its divisors is an integer number (484704000).

Almost surely, 2^40028145024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40028145024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62042112000).

40028145024 is an abundant number, since it is smaller than the sum of its proper divisors (84056078976).

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

40028145024 is a wasteful number, since it uses less digits than its factorization.

40028145024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 40028145024 in words is "forty billion, twenty-eight million, one hundred forty-five thousand, twenty-four".