40651970159 has 8 divisors (see below), whose sum is σ = 41188210560. Its totient is φ = 40116836056.

The previous prime is 40651970153. The next prime is 40651970197. The reversal of 40651970159 is 95107915604.

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 40651970159 - 2²⁰ = 40650921583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40651970153) 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, 202469 + ... + 349710.

It is an arithmetic number, because the mean of its divisors is an integer number (5148526320).

Almost surely, 2^40651970159 is an apocalyptic number.

40651970159 is a deficient number, since it is larger than the sum of its proper divisors (536240401).

40651970159 is an equidigital number, since it uses as much as digits as its factorization.

40651970159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553149.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 40651970159 in words is "forty billion, six hundred fifty-one million, nine hundred seventy thousand, one hundred fifty-nine".