1550404450112 has 224 divisors, whose sum is σ = 3674107772928. Its totient is φ = 635323336704.

The previous prime is 1550404450057. The next prime is 1550404450121. The reversal of 1550404450112 is 2110544040551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225247823 + ... + 225254705.

Almost surely, 2^{1550404450112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550404450112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837053886464).

1550404450112 is an abundant number, since it is smaller than the sum of its proper divisors (2123703322816).

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

1550404450112 is a wasteful number, since it uses less digits than its factorization.

1550404450112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 7163 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 1550404450112 its reverse (2110544040551), we get a palindrome (3660948490663).

The spelling of 1550404450112 in words is "one trillion, five hundred fifty billion, four hundred four million, four hundred fifty thousand, one hundred twelve".