40308160465 has 16 divisors (see below), whose sum is σ = 49647018960. Its totient is φ = 31398138880.

The previous prime is 40308160363. The next prime is 40308160493. The reversal of 40308160465 is 56406180304.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 565345729 + 39742814736 = 23777^2 + 199356^2 .

It is not a de Polignac number, because 40308160465 - 2¹⁵ = 40308127697 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 88804 + ... + 297493.

It is an arithmetic number, because the mean of its divisors is an integer number (3102938685).

Almost surely, 2^40308160465 is an apocalyptic number.

It is an amenable number.

40308160465 is a deficient number, since it is larger than the sum of its proper divisors (9338858495).

40308160465 is a wasteful number, since it uses less digits than its factorization.

40308160465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386852.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 40308160465 in words is "forty billion, three hundred eight million, one hundred sixty thousand, four hundred sixty-five".