40578404845 has 8 divisors (see below), whose sum is σ = 53120820960. Its totient is φ = 29511567120.

The previous prime is 40578404827. The next prime is 40578404869. The reversal of 40578404845 is 54840487504.

It is a happy number.

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

It is not a de Polignac number, because 40578404845 - 2¹⁷ = 40578273773 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 368894535 + ... + 368894644.

It is an arithmetic number, because the mean of its divisors is an integer number (6640102620).

Almost surely, 2^40578404845 is an apocalyptic number.

It is an amenable number.

40578404845 is a deficient number, since it is larger than the sum of its proper divisors (12542416115).

40578404845 is a wasteful number, since it uses less digits than its factorization.

40578404845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737789195.

The product of its (nonzero) digits is 2867200, while the sum is 49.

The spelling of 40578404845 in words is "forty billion, five hundred seventy-eight million, four hundred four thousand, eight hundred forty-five".