40005355045 has 8 divisors (see below), whose sum is σ = 48029158296. Its totient is φ = 31989129216.

The previous prime is 40005355037. The next prime is 40005355127. The reversal of 40005355045 is 54055350004.

It can be written as a sum of positive squares in 4 ways, for example, as 737176801 + 39268178244 = 27151^2 + 198162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40005355045 - 2³ = 40005355037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40005354998 and 40005355016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882732 + ... + 1903861.

It is an arithmetic number, because the mean of its divisors is an integer number (6003644787).

Almost surely, 2^40005355045 is an apocalyptic number.

It is an amenable number.

40005355045 is a deficient number, since it is larger than the sum of its proper divisors (8023803251).

40005355045 is a wasteful number, since it uses less digits than its factorization.

40005355045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788711.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 40005355045 in words is "forty billion, five million, three hundred fifty-five thousand, forty-five".