40312021304 has 32 divisors (see below), whose sum is σ = 78259146240. Its totient is φ = 19446847200.

The previous prime is 40312021303. The next prime is 40312021331.

40312021304 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40312021304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40312021303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163454 + ... + 327629.

It is an arithmetic number, because the mean of its divisors is an integer number (2445598320).

Almost surely, 2^40312021304 is an apocalyptic number.

It is an amenable number.

40312021304 is a deficient number, since it is larger than the sum of its proper divisors (37947124936).

40312021304 is a wasteful number, since it uses less digits than its factorization.

40312021304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491451 (or 491447 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 403120 and 21304, that added together give a palindrome (424424).

The spelling of 40312021304 in words is "forty billion, three hundred twelve million, twenty-one thousand, three hundred four".