40122253405 has 16 divisors (see below), whose sum is σ = 52078731264. Its totient is φ = 29498207040.

The previous prime is 40122253373. The next prime is 40122253453. The reversal of 40122253405 is 50435222104.

It is not a de Polignac number, because 40122253405 - 2⁵ = 40122253373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344861 + ... + 1374370.

It is an arithmetic number, because the mean of its divisors is an integer number (3254920704).

Almost surely, 2^40122253405 is an apocalyptic number.

It is an amenable number.

40122253405 is a deficient number, since it is larger than the sum of its proper divisors (11956477859).

40122253405 is a wasteful number, since it uses less digits than its factorization.

40122253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719476.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40122253405 its reverse (50435222104), we get a palindrome (90557475509).

The spelling of 40122253405 in words is "forty billion, one hundred twenty-two million, two hundred fifty-three thousand, four hundred five".