1040244345 has 96 divisors (see below), whose sum is σ = 2183380992. Its totient is φ = 447866496.

The previous prime is 1040244343. The next prime is 1040244353. The reversal of 1040244345 is 5434420401.

It is a happy number.

It is not a de Polignac number, because 1040244345 - 2¹ = 1040244343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040244341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 484344 + ... + 486486.

It is an arithmetic number, because the mean of its divisors is an integer number (22743552).

Almost surely, 2^1040244345 is an apocalyptic number.

1040244345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040244345 is an abundant number, since it is smaller than the sum of its proper divisors (1143136647).

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

1040244345 is a wasteful number, since it uses less digits than its factorization.

1040244345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1040244345 is about 32252.8191791043. The cubic root of 1040244345 is about 1013.2387439000.

Adding to 1040244345 its reverse (5434420401), we get a palindrome (6474664746).

The spelling of 1040244345 in words is "one billion, forty million, two hundred forty-four thousand, three hundred forty-five".