40472854 has 4 divisors (see below), whose sum is σ = 60709284. Its totient is φ = 20236426.

The previous prime is 40472851. The next prime is 40472881. The reversal of 40472854 is 45827404.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472851) 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 as a sum of consecutive naturals, namely, 10118212 + ... + 10118215.

It is an arithmetic number, because the mean of its divisors is an integer number (15177321).

Almost surely, 2^40472854 is an apocalyptic number.

40472854 is a deficient number, since it is larger than the sum of its proper divisors (20236430).

40472854 is a wasteful number, since it uses less digits than its factorization.

40472854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20236429.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 40472854 is about 6361.8278819849. The cubic root of 40472854 is about 343.3375286717.

The spelling of 40472854 in words is "forty million, four hundred seventy-two thousand, eight hundred fifty-four".