1550043072 has 168 divisors, whose sum is σ = 4596938736. Its totient is φ = 498991104.

The previous prime is 1550043049. The next prime is 1550043073. The reversal of 1550043072 is 2703400551.

It is a happy number.

1550043072 is a `hidden beast` number, since 1 + 550 + 0 + 43 + 0 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550043073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5477043 + ... + 5477325.

Almost surely, 2^1550043072 is an apocalyptic number.

1550043072 is a gapful number since it is divisible by the number (12) 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 1550043072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298469368).

1550043072 is an abundant number, since it is smaller than the sum of its proper divisors (3046895664).

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

1550043072 is a wasteful number, since it uses less digits than its factorization.

1550043072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1550043072 is about 39370.5863812060. The cubic root of 1550043072 is about 1157.3052469464.

The spelling of 1550043072 in words is "one billion, five hundred fifty million, forty-three thousand, seventy-two".