40451035045 has 4 divisors (see below), whose sum is σ = 48541242060. Its totient is φ = 32360828032.

The previous prime is 40451035039. The next prime is 40451035061. The reversal of 40451035045 is 54053015404.

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 9823584996 + 30627450049 = 99114^2 + 175007^2 .

It is a cyclic number.

It is not a de Polignac number, because 40451035045 - 2⁵ = 40451035013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40451034998 and 40451035016.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4045103500 + ... + 4045103509.

It is an arithmetic number, because the mean of its divisors is an integer number (12135310515).

Almost surely, 2^40451035045 is an apocalyptic number.

It is an amenable number.

40451035045 is a deficient number, since it is larger than the sum of its proper divisors (8090207015).

40451035045 is an equidigital number, since it uses as much as digits as its factorization.

40451035045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090207014.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 40451035045 in words is "forty billion, four hundred fifty-one million, thirty-five thousand, forty-five".