40455190 has 16 divisors (see below), whose sum is σ = 72995328. Its totient is φ = 16142976.

The previous prime is 40455187. The next prime is 40455193. The reversal of 40455190 is 9155404.

It is an interprime number because it is at equal distance from previous prime (40455187) and next prime (40455193).

It is a super-2 number, since 2×40455190² = 3273244795872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 9001.

It is an arithmetic number, because the mean of its divisors is an integer number (4562208).

Almost surely, 2^40455190 is an apocalyptic number.

40455190 is a deficient number, since it is larger than the sum of its proper divisors (32540138).

40455190 is a wasteful number, since it uses less digits than its factorization.

40455190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 40455190 is about 6360.4394502267. The cubic root of 40455190 is about 343.2875725817.

The spelling of 40455190 in words is "forty million, four hundred fifty-five thousand, one hundred ninety".