155341112440 has 32 divisors (see below), whose sum is σ = 352032030000. Its totient is φ = 61689417984.

The previous prime is 155341112429. The next prime is 155341112447. The reversal of 155341112440 is 44211143551.

It is a super-2 number, since 2×155341112440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155341112447) 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, 13963965 + ... + 13975084.

Almost surely, 2^155341112440 is an apocalyptic number.

155341112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155341112440 is an abundant number, since it is smaller than the sum of its proper divisors (196690917560).

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

155341112440 is a wasteful number, since it uses less digits than its factorization.

155341112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27939199 (or 27939195 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 155341112440 its reverse (44211143551), we get a palindrome (199552255991).

The spelling of 155341112440 in words is "one hundred fifty-five billion, three hundred forty-one million, one hundred twelve thousand, four hundred forty".