1049601644 has 48 divisors (see below), whose sum is σ = 2321809728. Its totient is φ = 403999488.

The previous prime is 1049601643. The next prime is 1049601671. The reversal of 1049601644 is 4461069401.

It is a happy number.

It is a super-2 number, since 2×1049601644² = 2203327222175005472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049601643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25499 + ... + 52434.

It is an arithmetic number, because the mean of its divisors is an integer number (48371036).

Almost surely, 2^1049601644 is an apocalyptic number.

1049601644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1049601644 is an abundant number, since it is smaller than the sum of its proper divisors (1272208084).

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

1049601644 is a wasteful number, since it uses less digits than its factorization.

1049601644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77994 (or 77992 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1049601644 is about 32397.5561424006. The cubic root of 1049601644 is about 1016.2678048146.

The spelling of 1049601644 in words is "one billion, forty-nine million, six hundred one thousand, six hundred forty-four".