40812102 has 24 divisors (see below), whose sum is σ = 89288784. Its totient is φ = 13471344.

The previous prime is 40812091. The next prime is 40812119. The reversal of 40812102 is 20121804.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9153 + ... + 12860.

It is an arithmetic number, because the mean of its divisors is an integer number (3720366).

Almost surely, 2^40812102 is an apocalyptic number.

40812102 is an abundant number, since it is smaller than the sum of its proper divisors (48476682).

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

40812102 is a wasteful number, since it uses less digits than its factorization.

40812102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22124 (or 22121 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 40812102 is about 6388.4350196273. The cubic root of 40812102 is about 344.2941586564.

Adding to 40812102 its reverse (20121804), we get a palindrome (60933906).

The spelling of 40812102 in words is "forty million, eight hundred twelve thousand, one hundred two".