1040243057 has 48 divisors (see below), whose sum is σ = 1308088320. Its totient is φ = 809446176.

The previous prime is 1040243033. The next prime is 1040243069. The reversal of 1040243057 is 7503420401.

It is not a de Polignac number, because 1040243057 - 2⁶ = 1040242993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040246057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7483694 + ... + 7483832.

It is an arithmetic number, because the mean of its divisors is an integer number (27251840).

Almost surely, 2^1040243057 is an apocalyptic number.

It is an amenable number.

1040243057 is a deficient number, since it is larger than the sum of its proper divisors (267845263).

1040243057 is a wasteful number, since it uses less digits than its factorization.

1040243057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1040243057 is about 32252.7992118514. The cubic root of 1040243057 is about 1013.2383257124.

Adding to 1040243057 its reverse (7503420401), we get a palindrome (8543663458).

The spelling of 1040243057 in words is "one billion, forty million, two hundred forty-three thousand, fifty-seven".