40578538147 has 8 divisors (see below), whose sum is σ = 47161497600. Its totient is φ = 34192085064.

The previous prime is 40578538103. The next prime is 40578538199. The reversal of 40578538147 is 74183587504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40578538147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40578538094 and 40578538103.

It is not an unprimeable number, because it can be changed into a prime (40578538547) by changing a digit.

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, 49126147 + ... + 49126972.

It is an arithmetic number, because the mean of its divisors is an integer number (5895187200).

Almost surely, 2^40578538147 is an apocalyptic number.

40578538147 is a deficient number, since it is larger than the sum of its proper divisors (6582959453).

40578538147 is an equidigital number, since it uses as much as digits as its factorization.

40578538147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98253185.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 40578538147 in words is "forty billion, five hundred seventy-eight million, five hundred thirty-eight thousand, one hundred forty-seven".