40142177 has 8 divisors (see below), whose sum is σ = 42493440. Its totient is φ = 37855440.

The previous prime is 40142171. The next prime is 40142197. The reversal of 40142177 is 77124104.

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

It is not a de Polignac number, because 40142177 - 2⁴ = 40142161 is a prime.

It is a super-2 number, since 2×40142177² = 3222788748598658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40142171) 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, 14849 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (5311680).

Almost surely, 2^40142177 is an apocalyptic number.

It is an amenable number.

40142177 is a deficient number, since it is larger than the sum of its proper divisors (2351263).

40142177 is a wasteful number, since it uses less digits than its factorization.

40142177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32263.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40142177 is about 6335.7854288162. The cubic root of 40142177 is about 342.3999089485.

The spelling of 40142177 in words is "forty million, one hundred forty-two thousand, one hundred seventy-seven".