40490177 has 32 divisors (see below), whose sum is σ = 52550400. Its totient is φ = 30336768.

The previous prime is 40490167. The next prime is 40490179. The reversal of 40490177 is 77109404.

It is not a de Polignac number, because 40490177 - 2⁶ = 40490113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40490179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176699 + ... + 176927.

It is an arithmetic number, because the mean of its divisors is an integer number (1642200).

Almost surely, 2^40490177 is an apocalyptic number.

It is an amenable number.

40490177 is a deficient number, since it is larger than the sum of its proper divisors (12060223).

40490177 is a wasteful number, since it uses less digits than its factorization.

40490177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 40490177 is about 6363.1892161085. The cubic root of 40490177 is about 343.3865062543.

The spelling of 40490177 in words is "forty million, four hundred ninety thousand, one hundred seventy-seven".