155027402200 has 144 divisors (see below), whose sum is σ = 397156221000. Its totient is φ = 56235379200.

The previous prime is 155027402197. The next prime is 155027402207. The reversal of 155027402200 is 2204720551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155027402207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10132156 + ... + 10147444.

Almost surely, 2^155027402200 is an apocalyptic number.

155027402200 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 155027402200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198578110500).

155027402200 is an abundant number, since it is smaller than the sum of its proper divisors (242128818800).

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

155027402200 is a wasteful number, since it uses less digits than its factorization.

155027402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15746 (or 15726 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 155027402200 in words is "one hundred fifty-five billion, twenty-seven million, four hundred two thousand, two hundred".