40011002 has 4 divisors (see below), whose sum is σ = 60016506. Its totient is φ = 20005500.

The previous prime is 40011001. The next prime is 40011019. The reversal of 40011002 is 20011004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 14295961 = 5071^2 + 3781^2 .

It is not an unprimeable number, because it can be changed into a prime (40011001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002749 + ... + 10002752.

Almost surely, 2^40011002 is an apocalyptic number.

40011002 is a deficient number, since it is larger than the sum of its proper divisors (20005504).

40011002 is a wasteful number, since it uses less digits than its factorization.

40011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20005503.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 40011002 is about 6325.4250450069. The cubic root of 40011002 is about 342.0265417200.

Adding to 40011002 its reverse (20011004), we get a palindrome (60022006).

The spelling of 40011002 in words is "forty million, eleven thousand, two".