40122123504 has 80 divisors (see below), whose sum is σ = 110134236672. Its totient is φ = 12542782464.

The previous prime is 40122123467. The next prime is 40122123637. The reversal of 40122123504 is 40532122104.

40122123504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144057 + ... + 317799.

Almost surely, 2^40122123504 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 40122123504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55067118336).

40122123504 is an abundant number, since it is smaller than the sum of its proper divisors (70012113168).

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

40122123504 is a wasteful number, since it uses less digits than its factorization.

40122123504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174054 (or 174048 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40122123504 its reverse (40532122104), we get a palindrome (80654245608).

The spelling of 40122123504 in words is "forty billion, one hundred twenty-two million, one hundred twenty-three thousand, five hundred four".