1550405214 has 12 divisors (see below), whose sum is σ = 3359211336. Its totient is φ = 516801732.

The previous prime is 1550405177. The next prime is 1550405231. The reversal of 1550405214 is 4125040551.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43066794 + ... + 43066829.

It is an arithmetic number, because the mean of its divisors is an integer number (279934278).

Almost surely, 2^1550405214 is an apocalyptic number.

1550405214 is an abundant number, since it is smaller than the sum of its proper divisors (1808806122).

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

1550405214 is a wasteful number, since it uses less digits than its factorization.

1550405214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86133631 (or 86133628 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1550405214 is about 39375.1852567070. The cubic root of 1550405214 is about 1157.3953683564.

Adding to 1550405214 its reverse (4125040551), we get a palindrome (5675445765).

The spelling of 1550405214 in words is "one billion, five hundred fifty million, four hundred five thousand, two hundred fourteen".