40122340040 has 16 divisors (see below), whose sum is σ = 90275265180. Its totient is φ = 16048936000.

The previous prime is 40122340039. The next prime is 40122340091. The reversal of 40122340040 is 4004322104.

40122340040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33700882084 + 6421457956 = 183578^2 + 80134^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40122339994 and 40122340021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501529211 + ... + 501529290.

Almost surely, 2^40122340040 is an apocalyptic number.

40122340040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40122340040 is an abundant number, since it is smaller than the sum of its proper divisors (50152925140).

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

40122340040 is a wasteful number, since it uses less digits than its factorization.

40122340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003058512 (or 1003058508 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40122340040 its reverse (4004322104), we get a palindrome (44126662144).

The spelling of 40122340040 in words is "forty billion, one hundred twenty-two million, three hundred forty thousand, forty".