40055530445 has 12 divisors (see below), whose sum is σ = 55914251004. Its totient is φ = 27466649280.

The previous prime is 40055530439. The next prime is 40055530451. The reversal of 40055530445 is 54403555004.

It is an interprime number because it is at equal distance from previous prime (40055530439) and next prime (40055530451).

It can be written as a sum of positive squares in 2 ways, for example, as 9884535241 + 30170995204 = 99421^2 + 173698^2 .

It is not a de Polignac number, because 40055530445 - 2⁶ = 40055530381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81745736 + ... + 81746225.

It is an arithmetic number, because the mean of its divisors is an integer number (4659520917).

Almost surely, 2^40055530445 is an apocalyptic number.

It is an amenable number.

40055530445 is a deficient number, since it is larger than the sum of its proper divisors (15858720559).

40055530445 is a wasteful number, since it uses less digits than its factorization.

40055530445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163491980 (or 163491973 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 40055530445 in words is "forty billion, fifty-five million, five hundred thirty thousand, four hundred forty-five".