40747047407 has 8 divisors (see below), whose sum is σ = 44859136080. Its totient is φ = 36702927360.

The previous prime is 40747047347. The next prime is 40747047421. The reversal of 40747047407 is 70474074704.

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

It is not a de Polignac number, because 40747047407 - 2¹⁴ = 40747031023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747047427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16990898 + ... + 16993295.

It is an arithmetic number, because the mean of its divisors is an integer number (5607392010).

Almost surely, 2^40747047407 is an apocalyptic number.

40747047407 is a deficient number, since it is larger than the sum of its proper divisors (4112088673).

40747047407 is a wasteful number, since it uses less digits than its factorization.

40747047407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33984313.

The product of its (nonzero) digits is 614656, while the sum is 44.

Adding to 40747047407 its reverse (70474074704), we get a palindrome (111221122111).

The spelling of 40747047407 in words is "forty billion, seven hundred forty-seven million, forty-seven thousand, four hundred seven".