1107743640 has 128 divisors (see below), whose sum is σ = 3427522560. Its totient is φ = 286239744.

The previous prime is 1107743587. The next prime is 1107743669. The reversal of 1107743640 is 463477011.

It is a congruent number.

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, 706137 + ... + 707703.

It is an arithmetic number, because the mean of its divisors is an integer number (26777520).

Almost surely, 2^1107743640 is an apocalyptic number.

1107743640 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 1107743640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713761280).

1107743640 is an abundant number, since it is smaller than the sum of its proper divisors (2319778920).

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

1107743640 is a wasteful number, since it uses less digits than its factorization.

1107743640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1107743640 is about 33282.7829365274. The cubic root of 1107743640 is about 1034.6967582303.

The spelling of 1107743640 in words is "one billion, one hundred seven million, seven hundred forty-three thousand, six hundred forty".