1040444680 has 32 divisors (see below), whose sum is σ = 2553819840. Its totient is φ = 378343360.

The previous prime is 1040444677. The next prime is 1040444683. The reversal of 1040444680 is 864440401.

It is an interprime number because it is at equal distance from previous prime (1040444677) and next prime (1040444683).

It is not an unprimeable number, because it can be changed into a prime (1040444683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181884 + ... + 1182763.

It is an arithmetic number, because the mean of its divisors is an integer number (79806870).

Almost surely, 2^1040444680 is an apocalyptic number.

1040444680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040444680 is an abundant number, since it is smaller than the sum of its proper divisors (1513375160).

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

1040444680 is a wasteful number, since it uses less digits than its factorization.

1040444680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364669 (or 2364665 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 1040444680 is about 32255.9247270947. The cubic root of 1040444680 is about 1013.3037844377.

The spelling of 1040444680 in words is "one billion, forty million, four hundred forty-four thousand, six hundred eighty".