40451023122 has 16 divisors (see below), whose sum is σ = 80907083040. Its totient is φ = 13482834912.

The previous prime is 40451023121. The next prime is 40451023163. The reversal of 40451023122 is 22132015404.

It is a junction number, because it is equal to n+sod(n) for n = 40451023092 and 40451023101.

It is not an unprimeable number, because it can be changed into a prime (40451023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101128 + ... + 301875.

It is an arithmetic number, because the mean of its divisors is an integer number (5056692690).

Almost surely, 2^40451023122 is an apocalyptic number.

40451023122 is an abundant number, since it is smaller than the sum of its proper divisors (40456059918).

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

40451023122 is a wasteful number, since it uses less digits than its factorization.

40451023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419737.

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

Adding to 40451023122 its reverse (22132015404), we get a palindrome (62583038526).

The spelling of 40451023122 in words is "forty billion, four hundred fifty-one million, twenty-three thousand, one hundred twenty-two".