40348818 has 24 divisors (see below), whose sum is σ = 92024400. Its totient is φ = 12741624.

The previous prime is 40348817. The next prime is 40348823. The reversal of 40348818 is 81884304.

40348818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40348818² = 3256054227994248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40348811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58648 + ... + 59331.

It is an arithmetic number, because the mean of its divisors is an integer number (3834350).

Almost surely, 2^40348818 is an apocalyptic number.

40348818 is an abundant number, since it is smaller than the sum of its proper divisors (51675582).

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

40348818 is a wasteful number, since it uses less digits than its factorization.

40348818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118006 (or 118003 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 40348818 is about 6352.0719454364. The cubic root of 40348818 is about 342.9864308538.

The spelling of 40348818 in words is "forty million, three hundred forty-eight thousand, eight hundred eighteen".