1426361550 has 24 divisors (see below), whose sum is σ = 3537377016. Its totient is φ = 380363040.

The previous prime is 1426361543. The next prime is 1426361551. The reversal of 1426361550 is 551636241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426361551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4754389 + ... + 4754688.

It is an arithmetic number, because the mean of its divisors is an integer number (147390709).

Almost surely, 2^1426361550 is an apocalyptic number.

1426361550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426361550 is an abundant number, since it is smaller than the sum of its proper divisors (2111015466).

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

1426361550 is a wasteful number, since it uses less digits than its factorization.

1426361550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9509092 (or 9509087 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1426361550 is about 37767.2020409243. The cubic root of 1426361550 is about 1125.6668441560. Note that the first 3 decimals are identical.

Adding to 1426361550 its reverse (551636241), we get a palindrome (1977997791).

The spelling of 1426361550 in words is "one billion, four hundred twenty-six million, three hundred sixty-one thousand, five hundred fifty".