40401111412 has 6 divisors (see below), whose sum is σ = 70701944978. Its totient is φ = 20200555704.

The previous prime is 40401111409. The next prime is 40401111419. The reversal of 40401111412 is 21411110404.

It can be written as a sum of positive squares in only one way, i.e., 31982314896 + 8418796516 = 178836^2 + 91754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40401111412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401111419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050138923 + ... + 5050138930.

Almost surely, 2^40401111412 is an apocalyptic number.

It is an amenable number.

40401111412 is a deficient number, since it is larger than the sum of its proper divisors (30300833566).

40401111412 is a wasteful number, since it uses less digits than its factorization.

40401111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100277857 (or 10100277855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 40401111412 its reverse (21411110404), we get a palindrome (61812221816).

The spelling of 40401111412 in words is "forty billion, four hundred one million, one hundred eleven thousand, four hundred twelve".