40719161 has 8 divisors (see below), whose sum is σ = 48141120. Its totient is φ = 33698448.

The previous prime is 40719149. The next prime is 40719163. The reversal of 40719161 is 16191704.

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

It is not a de Polignac number, because 40719161 - 2¹⁸ = 40457017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40719163) 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, 100091 + ... + 100496.

It is an arithmetic number, because the mean of its divisors is an integer number (6017640).

Almost surely, 2^40719161 is an apocalyptic number.

It is an amenable number.

40719161 is a deficient number, since it is larger than the sum of its proper divisors (7421959).

40719161 is a wasteful number, since it uses less digits than its factorization.

40719161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200623.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 40719161 is about 6381.1567133240. The cubic root of 40719161 is about 344.0326074418.

The spelling of 40719161 in words is "forty million, seven hundred nineteen thousand, one hundred sixty-one".