1055644242 has 8 divisors (see below), whose sum is σ = 2111288496. Its totient is φ = 351881412.

The previous prime is 1055644231. The next prime is 1055644267. The reversal of 1055644242 is 2424465501.

It is a sphenic number, since it is the product of 3 distinct primes.

1055644242 is an admirable number.

It is a super-2 number, since 2×1055644242² = 2228769531335509128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87970348 + ... + 87970359.

It is an arithmetic number, because the mean of its divisors is an integer number (263911062).

Almost surely, 2^1055644242 is an apocalyptic number.

1055644242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1055644242 is a wasteful number, since it uses less digits than its factorization.

1055644242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175940712.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 1055644242 is about 32490.6793096112. The cubic root of 1055644242 is about 1018.2143054777.

The spelling of 1055644242 in words is "one billion, fifty-five million, six hundred forty-four thousand, two hundred forty-two".