40145103860 has 24 divisors (see below), whose sum is σ = 84968540160. Its totient is φ = 15931599264.

The previous prime is 40145103833. The next prime is 40145103863. The reversal of 40145103860 is 6830154104.

It is a super-2 number, since 2×40145103860² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40145103863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7900040 + ... + 7905119.

It is an arithmetic number, because the mean of its divisors is an integer number (3540355840).

Almost surely, 2^40145103860 is an apocalyptic number.

It is an amenable number.

40145103860 is an abundant number, since it is smaller than the sum of its proper divisors (44823436300).

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

40145103860 is a wasteful number, since it uses less digits than its factorization.

40145103860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805295 (or 15805293 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 40145103860 its reverse (6830154104), we get a palindrome (46975257964).

The spelling of 40145103860 in words is "forty billion, one hundred forty-five million, one hundred three thousand, eight hundred sixty".