40423659500 has 192 divisors, whose sum is σ = 102538275840. Its totient is φ = 13636224000.

The previous prime is 40423659487. The next prime is 40423659503. The reversal of 40423659500 is 595632404.

40423659500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40423659503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70794215 + ... + 70794785.

It is an arithmetic number, because the mean of its divisors is an integer number (534053520).

Almost surely, 2^40423659500 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 40423659500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51269137920).

40423659500 is an abundant number, since it is smaller than the sum of its proper divisors (62114616340).

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

40423659500 is a wasteful number, since it uses less digits than its factorization.

40423659500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 40423659500 in words is "forty billion, four hundred twenty-three million, six hundred fifty-nine thousand, five hundred".