40105240370 has 16 divisors (see below), whose sum is σ = 77742466200. Its totient is φ = 14808088704.

The previous prime is 40105240327. The next prime is 40105240381. The reversal of 40105240370 is 7304250104.

It can be written as a sum of positive squares in 4 ways, for example, as 34481890249 + 5623350121 = 185693^2 + 74989^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 154250795 + ... + 154251054.

Almost surely, 2^40105240370 is an apocalyptic number.

40105240370 is a deficient number, since it is larger than the sum of its proper divisors (37637225830).

40105240370 is a wasteful number, since it uses less digits than its factorization.

40105240370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308501869.

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 40105240370 its reverse (7304250104), we get a palindrome (47409490474).

The spelling of 40105240370 in words is "forty billion, one hundred five million, two hundred forty thousand, three hundred seventy".