12454566040 has 32 divisors (see below), whose sum is σ = 32026027680. Its totient is φ = 4270136832.

The previous prime is 12454566031. The next prime is 12454566073. The reversal of 12454566040 is 4066545421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22240017 + ... + 22240576.

It is an arithmetic number, because the mean of its divisors is an integer number (1000813365).

Almost surely, 2^12454566040 is an apocalyptic number.

12454566040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12454566040 is an abundant number, since it is smaller than the sum of its proper divisors (19571461640).

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

12454566040 is a wasteful number, since it uses less digits than its factorization.

12454566040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44480611 (or 44480607 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 12454566040 in words is "twelve billion, four hundred fifty-four million, five hundred sixty-six thousand, forty".