40120836547 has 8 divisors (see below), whose sum is σ = 43771296240. Its totient is φ = 36470895360.

The previous prime is 40120836541. The next prime is 40120836557. The reversal of 40120836547 is 74563802104.

40120836547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40120836547 - 2⁷ = 40120836419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40120836541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42063 + ... + 286375.

It is an arithmetic number, because the mean of its divisors is an integer number (5471412030).

Almost surely, 2^40120836547 is an apocalyptic number.

40120836547 is a deficient number, since it is larger than the sum of its proper divisors (3650459693).

40120836547 is a wasteful number, since it uses less digits than its factorization.

40120836547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259253.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 40120836547 in words is "forty billion, one hundred twenty million, eight hundred thirty-six thousand, five hundred forty-seven".