40772159 has 4 divisors (see below), whose sum is σ = 41069904. Its totient is φ = 40474416.

The previous prime is 40772143. The next prime is 40772167. The reversal of 40772159 is 95127704.

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

It is a cyclic number.

It is not a de Polignac number, because 40772159 - 2⁴ = 40772143 is a prime.

It is a super-3 number, since 3×40772159³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40772059) 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, 148667 + ... + 148940.

It is an arithmetic number, because the mean of its divisors is an integer number (10267476).

Almost surely, 2^40772159 is an apocalyptic number.

40772159 is a deficient number, since it is larger than the sum of its proper divisors (297745).

40772159 is a wasteful number, since it uses less digits than its factorization.

40772159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297744.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 40772159 is about 6385.3080583477. The cubic root of 40772159 is about 344.1818012120.

The spelling of 40772159 in words is "forty million, seven hundred seventy-two thousand, one hundred fifty-nine".