40011004 has 12 divisors (see below), whose sum is σ = 76384728. Its totient is φ = 18186800.

The previous prime is 40011001. The next prime is 40011019.

40011004 is nontrivially palindromic in base 10.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 454627 + ... + 454714.

It is an arithmetic number, because the mean of its divisors is an integer number (6365394).

Almost surely, 2^40011004 is an apocalyptic number.

40011004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40011004 is a deficient number, since it is larger than the sum of its proper divisors (36373724).

40011004 is a wasteful number, since it uses less digits than its factorization.

40011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909356 (or 909354 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40011004 is about 6325.4252030990. The cubic root of 40011004 is about 342.0265474188.

It can be divided in two parts, 4001 and 1004, that added together give a palindrome (5005).

The spelling of 40011004 in words is "forty million, eleven thousand, four".