1550404030 has 32 divisors (see below), whose sum is σ = 3225251520. Its totient is φ = 525592320.

The previous prime is 1550404027. The next prime is 1550404039. The reversal of 1550404030 is 304040551.

It is a junction number, because it is equal to n+sod(n) for n = 1550403992 and 1550404010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550404039) 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 15 ways as a sum of consecutive naturals, for example, 118201 + ... + 130660.

It is an arithmetic number, because the mean of its divisors is an integer number (100789110).

Almost surely, 2^1550404030 is an apocalyptic number.

1550404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550404030 is an abundant number, since it is smaller than the sum of its proper divisors (1674847490).

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

1550404030 is a wasteful number, since it uses less digits than its factorization.

1550404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248964.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1550404030 is about 39375.1702218543. The cubic root of 1550404030 is about 1157.3950737331.

Adding to 1550404030 its reverse (304040551), we get a palindrome (1854444581).

The spelling of 1550404030 in words is "one billion, five hundred fifty million, four hundred four thousand, thirty".