107771912640 has 560 divisors, whose sum is σ = 442543045824. Its totient is φ = 24385536000.

The previous prime is 107771912629. The next prime is 107771912711. The reversal of 107771912640 is 46219177701.

It is a tau number, because it is divible by the number of its divisors (560).

It is a super-2 number, since 2×107771912640² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18322500 + ... + 18328380.

Almost surely, 2^107771912640 is an apocalyptic number.

107771912640 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 107771912640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221271522912).

107771912640 is an abundant number, since it is smaller than the sum of its proper divisors (334771133184).

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

107771912640 is a wasteful number, since it uses less digits than its factorization.

107771912640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 107771912640 in words is "one hundred seven billion, seven hundred seventy-one million, nine hundred twelve thousand, six hundred forty".