40702612673 has 4 divisors (see below), whose sum is σ = 40714472388. Its totient is φ = 40690752960.

The previous prime is 40702612603. The next prime is 40702612697. The reversal of 40702612673 is 37621620704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14812837264 + 25889775409 = 121708^2 + 160903^2 .

It is a cyclic number.

It is not a de Polignac number, because 40702612673 - 2²⁴ = 40685835457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40702612603) 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, 5924708 + ... + 5931573.

It is an arithmetic number, because the mean of its divisors is an integer number (10178618097).

Almost surely, 2^40702612673 is an apocalyptic number.

It is an amenable number.

40702612673 is a deficient number, since it is larger than the sum of its proper divisors (11859715).

40702612673 is a wasteful number, since it uses less digits than its factorization.

40702612673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11859714.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 40702612673 in words is "forty billion, seven hundred two million, six hundred twelve thousand, six hundred seventy-three".