40734649097 has 8 divisors (see below), whose sum is σ = 40801236744. Its totient is φ = 40668092928.

The previous prime is 40734649073. The next prime is 40734649129. The reversal of 40734649097 is 79094643704.

It can be written as a sum of positive squares in 4 ways, for example, as 8625951376 + 32108697721 = 92876^2 + 179189^2 .

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 40734649097 - 2⁸ = 40734648841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40734649597) 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, 4872473 + ... + 4880825.

It is an arithmetic number, because the mean of its divisors is an integer number (5100154593).

Almost surely, 2^40734649097 is an apocalyptic number.

It is an amenable number.

40734649097 is a deficient number, since it is larger than the sum of its proper divisors (66587647).

40734649097 is an equidigital number, since it uses as much as digits as its factorization.

40734649097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 40734649097 in words is "forty billion, seven hundred thirty-four million, six hundred forty-nine thousand, ninety-seven".