1240163046 has 12 divisors (see below), whose sum is σ = 2687019972. Its totient is φ = 413387676.

The previous prime is 1240163027. The next prime is 1240163051. The reversal of 1240163046 is 6403610421.

1240163046 is a `hidden beast` number, since 1 + 24 + 0 + 1 + 630 + 4 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34448956 + ... + 34448991.

It is an arithmetic number, because the mean of its divisors is an integer number (223918331).

Almost surely, 2^1240163046 is an apocalyptic number.

1240163046 is an abundant number, since it is smaller than the sum of its proper divisors (1446856926).

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

1240163046 is a wasteful number, since it uses less digits than its factorization.

1240163046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68897955 (or 68897952 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1240163046 is about 35215.9487448514. The cubic root of 1240163046 is about 1074.3841566570.

Adding to 1240163046 its reverse (6403610421), we get a palindrome (7643773467).

The spelling of 1240163046 in words is "one billion, two hundred forty million, one hundred sixty-three thousand, forty-six".