40187434110 has 64 divisors (see below), whose sum is σ = 99862735680. Its totient is φ = 10338083840.

The previous prime is 40187434073. The next prime is 40187434151. The reversal of 40187434110 is 1143478104.

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, 1007914 + ... + 1047026.

It is an arithmetic number, because the mean of its divisors is an integer number (1560355245).

Almost surely, 2^40187434110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40187434110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49931367840).

40187434110 is an abundant number, since it is smaller than the sum of its proper divisors (59675301570).

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

40187434110 is a wasteful number, since it uses less digits than its factorization.

40187434110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40333.

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 40187434110 in words is "forty billion, one hundred eighty-seven million, four hundred thirty-four thousand, one hundred ten".