40312204012 has 48 divisors (see below), whose sum is σ = 74673930240. Its totient is φ = 18988955712.

The previous prime is 40312203959. The next prime is 40312204021. The reversal of 40312204012 is 21040221304.

It is a super-2 number, since 2×40312204012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11249173 + ... + 11252755.

It is an arithmetic number, because the mean of its divisors is an integer number (1555706880).

Almost surely, 2^40312204012 is an apocalyptic number.

It is an amenable number.

40312204012 is a deficient number, since it is larger than the sum of its proper divisors (34361726228).

40312204012 is a wasteful number, since it uses less digits than its factorization.

40312204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40312204012 its reverse (21040221304), we get a palindrome (61352425316).

The spelling of 40312204012 in words is "forty billion, three hundred twelve million, two hundred four thousand, twelve".