12777627500240 has 40 divisors (see below), whose sum is σ = 30065911471008. Its totient is φ = 5049472069760.

The previous prime is 12777627500219. The next prime is 12777627500251. The reversal of 12777627500240 is 4200572677721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12777627500240² (a number of 27 digits) contains 22 as substring.

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, 962164106 + ... + 962177385.

Almost surely, 2^{12777627500240} is an apocalyptic number.

12777627500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12777627500240 is an abundant number, since it is smaller than the sum of its proper divisors (17288283970768).

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

12777627500240 is a wasteful number, since it uses less digits than its factorization.

12777627500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924341587 (or 1924341581 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 12777627500240 in words is "twelve trillion, seven hundred seventy-seven billion, six hundred twenty-seven million, five hundred thousand, two hundred forty".