122040552440 has 32 divisors (see below), whose sum is σ = 281288594160. Its totient is φ = 47625580800.

The previous prime is 122040552427. The next prime is 122040552451. The reversal of 122040552440 is 44255040221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37205846 + ... + 37209125.

Almost surely, 2^122040552440 is an apocalyptic number.

122040552440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122040552440 is an abundant number, since it is smaller than the sum of its proper divisors (159248041720).

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

122040552440 is a wasteful number, since it uses less digits than its factorization.

122040552440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74415023 (or 74415019 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 122040552440 its reverse (44255040221), we get a palindrome (166295592661).

The spelling of 122040552440 in words is "one hundred twenty-two billion, forty million, five hundred fifty-two thousand, four hundred forty".