12309614040 has 32 divisors (see below), whose sum is σ = 36928842480. Its totient is φ = 3282563712.

The previous prime is 12309613993. The next prime is 12309614041. The reversal of 12309614040 is 4041690321.

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 = 12309613989 and 12309614007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309614041) 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, 51289939 + ... + 51290178.

Almost surely, 2^12309614040 is an apocalyptic number.

12309614040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12309614040 is an abundant number, since it is smaller than the sum of its proper divisors (24619228440).

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

12309614040 is a wasteful number, since it uses less digits than its factorization.

12309614040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102580131 (or 102580127 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 12309614040 in words is "twelve billion, three hundred nine million, six hundred fourteen thousand, forty".