43540111211742 has 192 divisors, whose sum is σ = 107482152960000. Its totient is φ = 13148655762528.

The previous prime is 43540111211617. The next prime is 43540111211777. The reversal of 43540111211742 is 24711211104534.

43540111211742 is a `hidden beast` number, since 4 + 35 + 401 + 1 + 1 + 211 + 7 + 4 + 2 = 666.

It is a super-2 number, since 2×43540111211742² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43540111211697 and 43540111211706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1019199859 + ... + 1019242577.

It is an arithmetic number, because the mean of its divisors is an integer number (559802880000).

Almost surely, 2^{43540111211742} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43540111211742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53741076480000).

43540111211742 is an abundant number, since it is smaller than the sum of its proper divisors (63942041748258).

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

43540111211742 is a wasteful number, since it uses less digits than its factorization.

43540111211742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47577 (or 47565 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 43540111211742 in words is "forty-three trillion, five hundred forty billion, one hundred eleven million, two hundred eleven thousand, seven hundred forty-two".