40811478 has 32 divisors (see below), whose sum is σ = 83064960. Its totient is φ = 13366080.

The previous prime is 40811473. The next prime is 40811483. The reversal of 40811478 is 87411804.

It is an interprime number because it is at equal distance from previous prime (40811473) and next prime (40811483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40811473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107493 + ... + 107871.

It is an arithmetic number, because the mean of its divisors is an integer number (2595780).

Almost surely, 2^40811478 is an apocalyptic number.

40811478 is an abundant number, since it is smaller than the sum of its proper divisors (42253482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40811478 is a wasteful number, since it uses less digits than its factorization.

40811478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 40811478 is about 6388.3861811885. The cubic root of 40811478 is about 344.2924039428.

The spelling of 40811478 in words is "forty million, eight hundred eleven thousand, four hundred seventy-eight".