40153652479 has 4 divisors (see below), whose sum is σ = 40834222920. Its totient is φ = 39473082040.

The previous prime is 40153652467. The next prime is 40153652491. The reversal of 40153652479 is 97425635104.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (40153652467) and next prime (40153652491).

It is a cyclic number.

It is not a de Polignac number, because 40153652479 - 2¹³ = 40153644287 is a prime.

It is a super-2 number, since 2×40153652479² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40153652449) 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, 340285132 + ... + 340285249.

It is an arithmetic number, because the mean of its divisors is an integer number (10208555730).

Almost surely, 2^40153652479 is an apocalyptic number.

40153652479 is a deficient number, since it is larger than the sum of its proper divisors (680570441).

40153652479 is an equidigital number, since it uses as much as digits as its factorization.

40153652479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680570440.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 40153652479 in words is "forty billion, one hundred fifty-three million, six hundred fifty-two thousand, four hundred seventy-nine".