40005672305 has 32 divisors (see below), whose sum is σ = 49594356000. Its totient is φ = 30960179200.

The previous prime is 40005672293. The next prime is 40005672341. The reversal of 40005672305 is 50327650004.

It can be written as a sum of positive squares in 16 ways, for example, as 29962225216 + 10043447089 = 173096^2 + 100217^2 .

It is not a de Polignac number, because 40005672305 - 2¹⁰ = 40005671281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33873815 + ... + 33874995.

It is an arithmetic number, because the mean of its divisors is an integer number (1549823625).

Almost surely, 2^40005672305 is an apocalyptic number.

It is an amenable number.

40005672305 is a deficient number, since it is larger than the sum of its proper divisors (9588683695).

40005672305 is a wasteful number, since it uses less digits than its factorization.

40005672305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 40005672305 in words is "forty billion, five million, six hundred seventy-two thousand, three hundred five".