40622190578 has 18 divisors (see below), whose sum is σ = 62127767079. Its totient is φ = 19920456192.

The previous prime is 40622190547. The next prime is 40622190641. The reversal of 40622190578 is 87509122604.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 6754045489 + 33868145089 = 82183^2 + 184033^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=142517.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15105458 + ... + 15108146.

Almost surely, 2^40622190578 is an apocalyptic number.

40622190578 is a deficient number, since it is larger than the sum of its proper divisors (21505576501).

40622190578 is an frugal number, since it uses more digits than its factorization.

40622190578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 40622190578 in words is "forty billion, six hundred twenty-two million, one hundred ninety thousand, five hundred seventy-eight".