40622616553 has 4 divisors (see below), whose sum is σ = 40623253380. Its totient is φ = 40621979728.

The previous prime is 40622616547. The next prime is 40622616557. The reversal of 40622616553 is 35561622604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11175026944 + 29447589609 = 105712^2 + 171603^2 .

It is a cyclic number.

It is not a de Polignac number, because 40622616553 - 2⁵ = 40622616521 is a prime.

It is a super-2 number, since 2×40622616553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40622616557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210550 + ... + 354367.

It is an arithmetic number, because the mean of its divisors is an integer number (10155813345).

Almost surely, 2^40622616553 is an apocalyptic number.

It is an amenable number.

40622616553 is a deficient number, since it is larger than the sum of its proper divisors (636827).

40622616553 is an equidigital number, since it uses as much as digits as its factorization.

40622616553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636826.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 40622616553 in words is "forty billion, six hundred twenty-two million, six hundred sixteen thousand, five hundred fifty-three".