43660641104 has 80 divisors (see below), whose sum is σ = 86124487680. Its totient is φ = 21440171520.

The previous prime is 43660641077. The next prime is 43660641131. The reversal of 43660641104 is 40114606634.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43660641077) and next prime (43660641131).

It is a super-2 number, since 2×43660641104² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 142216919 + ... + 142217225.

It is an arithmetic number, because the mean of its divisors is an integer number (1076556096).

Almost surely, 2^43660641104 is an apocalyptic number.

It is an amenable number.

43660641104 is a deficient number, since it is larger than the sum of its proper divisors (42463846576).

43660641104 is a wasteful number, since it uses less digits than its factorization.

43660641104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 43660641104 in words is "forty-three billion, six hundred sixty million, six hundred forty-one thousand, one hundred four".