40472182 has 4 divisors (see below), whose sum is σ = 60708276. Its totient is φ = 20236090.

The previous prime is 40472161. The next prime is 40472209. The reversal of 40472182 is 28127404.

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

It is a super-2 number, since 2×40472182² = 3275995031682248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40472182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10118044 + ... + 10118047.

It is an arithmetic number, because the mean of its divisors is an integer number (15177069).

Almost surely, 2^40472182 is an apocalyptic number.

40472182 is a deficient number, since it is larger than the sum of its proper divisors (20236094).

40472182 is a wasteful number, since it uses less digits than its factorization.

40472182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20236093.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40472182 is about 6361.7750667561. The cubic root of 40472182 is about 343.3356284343.

Adding to 40472182 its reverse (28127404), we get a palindrome (68599586).

The spelling of 40472182 in words is "forty million, four hundred seventy-two thousand, one hundred eighty-two".