40102112 has 24 divisors (see below), whose sum is σ = 80037216. Its totient is φ = 19775232.

The previous prime is 40102109. The next prime is 40102147. The reversal of 40102112 is 21120104.

It is a junction number, because it is equal to n+sod(n) for n = 40102093 and 40102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6248 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (3334884).

Almost surely, 2^40102112 is an apocalyptic number.

It is an amenable number.

40102112 is a deficient number, since it is larger than the sum of its proper divisors (39935104).

40102112 is a wasteful number, since it uses less digits than its factorization.

40102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250 (or 17242 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 40102112 is about 6332.6228373400. The cubic root of 40102112 is about 342.2859571579.

Adding to 40102112 its reverse (21120104), we get a palindrome (61222216).

The spelling of 40102112 in words is "forty million, one hundred two thousand, one hundred twelve".