40140475102 has 32 divisors (see below), whose sum is σ = 74116224000. Its totient is φ = 15877448928.

The previous prime is 40140475097. The next prime is 40140475121. The reversal of 40140475102 is 20157404104.

40140475102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40140475102² (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, 1827099 + ... + 1848937.

It is an arithmetic number, because the mean of its divisors is an integer number (2316132000).

Almost surely, 2^40140475102 is an apocalyptic number.

40140475102 is a deficient number, since it is larger than the sum of its proper divisors (33975748898).

40140475102 is a wasteful number, since it uses less digits than its factorization.

40140475102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31960.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 40140475102 its reverse (20157404104), we get a palindrome (60297879206).

The spelling of 40140475102 in words is "forty billion, one hundred forty million, four hundred seventy-five thousand, one hundred two".