40509259259 has 8 divisors (see below), whose sum is σ = 46300217088. Its totient is φ = 34719281640.

The previous prime is 40509259223. The next prime is 40509259267. The reversal of 40509259259 is 95295290504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40509259259 is a prime.

It is a Duffinian number.

40509259259 is a modest number, since divided by 259259 gives 40509 as remainder.

It is not an unprimeable number, because it can be changed into a prime (40509259279) 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, 154247 + ... + 323744.

It is an arithmetic number, because the mean of its divisors is an integer number (5787527136).

Almost surely, 2^40509259259 is an apocalyptic number.

40509259259 is a deficient number, since it is larger than the sum of its proper divisors (5790957829).

40509259259 is a wasteful number, since it uses less digits than its factorization.

40509259259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490105.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 40509259259 in words is "forty billion, five hundred nine million, two hundred fifty-nine thousand, two hundred fifty-nine".