122041440440 has 64 divisors (see below), whose sum is σ = 278572348800. Its totient is φ = 48111418368.

The previous prime is 122041440431. The next prime is 122041440461. The reversal of 122041440440 is 44044140221.

122041440440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122041440440² (a number of 23 digits) contains 22 as substring.

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, 1725452 + ... + 1794788.

It is an arithmetic number, because the mean of its divisors is an integer number (4352692950).

Almost surely, 2^122041440440 is an apocalyptic number.

122041440440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122041440440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139286174400).

122041440440 is an abundant number, since it is smaller than the sum of its proper divisors (156530908360).

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

122041440440 is a wasteful number, since it uses less digits than its factorization.

122041440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69984 (or 69980 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 122041440440 its reverse (44044140221), we get a palindrome (166085580661).

The spelling of 122041440440 in words is "one hundred twenty-two billion, forty-one million, four hundred forty thousand, four hundred forty".