1550404122030 has 160 divisors (see below), whose sum is σ = 4195217426400. Its totient is φ = 410831274240.

The previous prime is 1550404122023. The next prime is 1550404122049. The reversal of 1550404122030 is 302214040551.

1550404122030 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 40 + 412 + 203 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1550404121985 and 1550404122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 227095477 + ... + 227102303.

It is an arithmetic number, because the mean of its divisors is an integer number (26220108915).

Almost surely, 2^{1550404122030} is an apocalyptic number.

1550404122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550404122030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097608713200).

1550404122030 is an abundant number, since it is smaller than the sum of its proper divisors (2644813304370).

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

1550404122030 is a wasteful number, since it uses less digits than its factorization.

1550404122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576 (or 8567 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1550404122030 its reverse (302214040551), we get a palindrome (1852618162581).

The spelling of 1550404122030 in words is "one trillion, five hundred fifty billion, four hundred four million, one hundred twenty-two thousand, thirty".