12654620456040 has 128 divisors (see below), whose sum is σ = 42233077296000. Its totient is φ = 3370484726784.

The previous prime is 12654620456029. The next prime is 12654620456123. The reversal of 12654620456040 is 4065402645621.

12654620456040 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 46 + 2 + 0 + 4 + 560 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6191025 + ... + 7977344.

It is an arithmetic number, because the mean of its divisors is an integer number (329945916375).

Almost surely, 2^{12654620456040} is an apocalyptic number.

12654620456040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12654620456040 is an abundant number, since it is smaller than the sum of its proper divisors (29578456839960).

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

12654620456040 is a wasteful number, since it uses less digits than its factorization.

12654620456040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169216 (or 14169206 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 12654620456040 in words is "twelve trillion, six hundred fifty-four billion, six hundred twenty million, four hundred fifty-six thousand, forty".