40344526305 has 32 divisors (see below), whose sum is σ = 71739717120. Its totient is φ = 21512246400.

The previous prime is 40344526291. The next prime is 40344526309. The reversal of 40344526305 is 50362544304.

40344526305 is a `hidden beast` number, since 4 + 0 + 344 + 5 + 2 + 6 + 305 = 666.

40344526305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40344526305 - 2⁴ = 40344526289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40344526305.

It is not an unprimeable number, because it can be changed into a prime (40344526309) 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, 615880 + ... + 678230.

It is an arithmetic number, because the mean of its divisors is an integer number (2241866160).

Almost surely, 2^40344526305 is an apocalyptic number.

40344526305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40344526305 is a deficient number, since it is larger than the sum of its proper divisors (31395190815).

40344526305 is a wasteful number, since it uses less digits than its factorization.

40344526305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67158 (or 67152 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40344526305 in words is "forty billion, three hundred forty-four million, five hundred twenty-six thousand, three hundred five".