1421044550 has 24 divisors (see below), whose sum is σ = 2646634176. Its totient is φ = 567667040.

The previous prime is 1421044549. The next prime is 1421044553. The reversal of 1421044550 is 554401241.

It is a super-2 number, since 2×1421044550² = 4038735226169405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421044553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20267 + ... + 57033.

It is an arithmetic number, because the mean of its divisors is an integer number (110276424).

Almost surely, 2^1421044550 is an apocalyptic number.

1421044550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421044550 is a deficient number, since it is larger than the sum of its proper divisors (1225589626).

1421044550 is a wasteful number, since it uses less digits than its factorization.

1421044550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37552 (or 37547 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1421044550 is about 37696.7445544042. The cubic root of 1421044550 is about 1124.2663990966.

Adding to 1421044550 its reverse (554401241), we get a palindrome (1975445791).

The spelling of 1421044550 in words is "one billion, four hundred twenty-one million, forty-four thousand, five hundred fifty".