40132679647 has 4 divisors (see below), whose sum is σ = 40986566496. Its totient is φ = 39278792800.

The previous prime is 40132679627. The next prime is 40132679651. The reversal of 40132679647 is 74697623104.

40132679647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40132679647 - 2¹⁹ = 40132155359 is a prime.

It is a super-2 number, since 2×40132679647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40132679647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132679627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426943354 + ... + 426943447.

It is an arithmetic number, because the mean of its divisors is an integer number (10246641624).

Almost surely, 2^40132679647 is an apocalyptic number.

40132679647 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40132679647 is a deficient number, since it is larger than the sum of its proper divisors (853886849).

40132679647 is an equidigital number, since it uses as much as digits as its factorization.

40132679647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853886848.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 40132679647 in words is "forty billion, one hundred thirty-two million, six hundred seventy-nine thousand, six hundred forty-seven".