155410112040 has 128 divisors (see below), whose sum is σ = 472702003200. Its totient is φ = 40871404800.

The previous prime is 155410112021. The next prime is 155410112047. The reversal of 155410112040 is 40211014551.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 155410112040.

It is not an unprimeable number, because it can be changed into a prime (155410112047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2487829 + ... + 2549531.

It is an arithmetic number, because the mean of its divisors is an integer number (3692984400).

Almost surely, 2^155410112040 is an apocalyptic number.

155410112040 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 155410112040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236351001600).

155410112040 is an abundant number, since it is smaller than the sum of its proper divisors (317291891160).

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

155410112040 is a wasteful number, since it uses less digits than its factorization.

155410112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62007 (or 62003 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 155410112040 its reverse (40211014551), we get a palindrome (195621126591).

The spelling of 155410112040 in words is "one hundred fifty-five billion, four hundred ten million, one hundred twelve thousand, forty".