12616262040 has 64 divisors (see below), whose sum is σ = 38562933600. Its totient is φ = 3300856832.

The previous prime is 12616262039. The next prime is 12616262041. The reversal of 12616262040 is 4026261621.

It is an interprime number because it is at equal distance from previous prime (12616262039) and next prime (12616262041).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12616261989 and 12616262007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616262041) 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, 985485 + ... + 998204.

Almost surely, 2^12616262040 is an apocalyptic number.

12616262040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12616262040 is an abundant number, since it is smaller than the sum of its proper divisors (25946671560).

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

12616262040 is a wasteful number, since it uses less digits than its factorization.

12616262040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983756 (or 1983752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 12616262040 in words is "twelve billion, six hundred sixteen million, two hundred sixty-two thousand, forty".