40812002 has 72 divisors (see below), whose sum is σ = 83155248. Its totient is φ = 14851200.

The previous prime is 40811987. The next prime is 40812029. The reversal of 40812002 is 20021804.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311477 + ... + 311607.

It is an arithmetic number, because the mean of its divisors is an integer number (1154934).

Almost surely, 2^40812002 is an apocalyptic number.

40812002 is an abundant number, since it is smaller than the sum of its proper divisors (42343246).

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

40812002 is a wasteful number, since it uses less digits than its factorization.

40812002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40812002 is about 6388.4271929795. The cubic root of 40812002 is about 344.2938774535.

Adding to 40812002 its reverse (20021804), we get a palindrome (60833806).

The spelling of 40812002 in words is "forty million, eight hundred twelve thousand, two".