40388460305 has 16 divisors (see below), whose sum is σ = 48808481040. Its totient is φ = 32083199232.

The previous prime is 40388460269. The next prime is 40388460319. The reversal of 40388460305 is 50306488304.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7834197121 + 32554263184 = 88511^2 + 180428^2 .

It is a cyclic number.

It is not a de Polignac number, because 40388460305 - 2⁶ = 40388460241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461087 + ... + 541643.

It is an arithmetic number, because the mean of its divisors is an integer number (3050530065).

Almost surely, 2^40388460305 is an apocalyptic number.

It is an amenable number.

40388460305 is a deficient number, since it is larger than the sum of its proper divisors (8420020735).

40388460305 is a wasteful number, since it uses less digits than its factorization.

40388460305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81268.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 40388460305 in words is "forty billion, three hundred eighty-eight million, four hundred sixty thousand, three hundred five".