40345654305 has 32 divisors (see below), whose sum is σ = 70683373440. Its totient is φ = 19488788480.

The previous prime is 40345654301. The next prime is 40345654337. The reversal of 40345654305 is 50345654304.

It is not a de Polignac number, because 40345654305 - 2² = 40345654301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40345654301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410112 + ... + 498881.

It is an arithmetic number, because the mean of its divisors is an integer number (2208855420).

Almost surely, 2^40345654305 is an apocalyptic number.

It is an amenable number.

40345654305 is a deficient number, since it is larger than the sum of its proper divisors (30337719135).

40345654305 is a wasteful number, since it uses less digits than its factorization.

40345654305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909281.

The product of its (nonzero) digits is 432000, while the sum is 39.

Subtracting 40345654305 from its reverse (50345654304), we obtain a palindrome (9999999999).

The spelling of 40345654305 in words is "forty billion, three hundred forty-five million, six hundred fifty-four thousand, three hundred five".