1956550442 has 32 divisors (see below), whose sum is σ = 3662236800. Its totient is φ = 761618880.

The previous prime is 1956550433. The next prime is 1956550459. The reversal of 1956550442 is 2440556591.

It is a self number, because there is not a number n which added to its sum of digits gives 1956550442.

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 15 ways as a sum of consecutive naturals, for example, 191684 + ... + 201632.

It is an arithmetic number, because the mean of its divisors is an integer number (114444900).

Almost surely, 2^1956550442 is an apocalyptic number.

1956550442 is a deficient number, since it is larger than the sum of its proper divisors (1705686358).

1956550442 is a wasteful number, since it uses less digits than its factorization.

1956550442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 1956550442 is about 44232.9112991673. The cubic root of 1956550442 is about 1250.7303341665.

It can be divided in two parts, 19565 and 50442, that added together give a palindrome (70007).

The spelling of 1956550442 in words is "one billion, nine hundred fifty-six million, five hundred fifty thousand, four hundred forty-two".