40245460643 has 8 divisors (see below), whose sum is σ = 40705838640. Its totient is φ = 39785264640.

The previous prime is 40245460637. The next prime is 40245460649. The reversal of 40245460643 is 34606454204.

It is an interprime number because it is at equal distance from previous prime (40245460637) and next prime (40245460649).

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 40245460643 - 2⁴ = 40245460627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40245460597 and 40245460606.

It is not an unprimeable number, because it can be changed into a prime (40245460649) 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, 427196 + ... + 512822.

It is an arithmetic number, because the mean of its divisors is an integer number (5088229830).

Almost surely, 2^40245460643 is an apocalyptic number.

40245460643 is a deficient number, since it is larger than the sum of its proper divisors (460377997).

40245460643 is an equidigital number, since it uses as much as digits as its factorization.

40245460643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90997.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 40245460643 in words is "forty billion, two hundred forty-five million, four hundred sixty thousand, six hundred forty-three".