1240772666100 has 144 divisors (see below), whose sum is σ = 3916819307520. Its totient is φ = 300755772800.

The previous prime is 1240772666099. The next prime is 1240772666117. The reversal of 1240772666100 is 16662770421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33717511 + ... + 33754289.

It is an arithmetic number, because the mean of its divisors is an integer number (27200134080).

Almost surely, 2^{1240772666100} is an apocalyptic number.

1240772666100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240772666100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958409653760).

1240772666100 is an abundant number, since it is smaller than the sum of its proper divisors (2676046641420).

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

1240772666100 is a wasteful number, since it uses less digits than its factorization.

1240772666100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47030 (or 47023 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 1240772666100 in words is "one trillion, two hundred forty billion, seven hundred seventy-two million, six hundred sixty-six thousand, one hundred".