40412144144421 has 32 divisors (see below), whose sum is σ = 69359974897920. Its totient is φ = 22776316065792.

The previous prime is 40412144144419. The next prime is 40412144144431. The reversal of 40412144144421 is 12444144121404.

40412144144421 is a `hidden beast` number, since 4 + 0 + 4 + 1 + 214 + 4 + 14 + 4 + 421 = 666.

It is not a de Polignac number, because 40412144144421 - 2¹ = 40412144144419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412144144431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1464512700 + ... + 1464540293.

It is an arithmetic number, because the mean of its divisors is an integer number (2167499215560).

Almost surely, 2^{40412144144421} is an apocalyptic number.

It is an amenable number.

40412144144421 is a deficient number, since it is larger than the sum of its proper divisors (28947830753499).

40412144144421 is a wasteful number, since it uses less digits than its factorization.

40412144144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929053082 (or 2929053076 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

Adding to 40412144144421 its reverse (12444144121404), we get a palindrome (52856288265825).

The spelling of 40412144144421 in words is "forty trillion, four hundred twelve billion, one hundred forty-four million, one hundred forty-four thousand, four hundred twenty-one".