40105012410 has 80 divisors (see below), whose sum is σ = 107972659872. Its totient is φ = 10681308000.

The previous prime is 40105012403. The next prime is 40105012411. The reversal of 40105012410 is 1421050104.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40105012411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 626385 + ... + 687435.

Almost surely, 2^40105012410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40105012410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53986329936).

40105012410 is an abundant number, since it is smaller than the sum of its proper divisors (67867647462).

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

40105012410 is a wasteful number, since it uses less digits than its factorization.

40105012410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61881 (or 61872 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 40105012410 its reverse (1421050104), we get a palindrome (41526062514).

The spelling of 40105012410 in words is "forty billion, one hundred five million, twelve thousand, four hundred ten".