40404930 has 16 divisors (see below), whose sum is σ = 96971904. Its totient is φ = 10774640.

The previous prime is 40404919. The next prime is 40404941. The reversal of 40404930 is 3940404.

It is an interprime number because it is at equal distance from previous prime (40404919) and next prime (40404941).

It is a self number, because there is not a number n which added to its sum of digits gives 40404930.

It is an unprimeable number.

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, 673386 + ... + 673445.

It is an arithmetic number, because the mean of its divisors is an integer number (6060744).

Almost surely, 2^40404930 is an apocalyptic number.

40404930 is an abundant number, since it is smaller than the sum of its proper divisors (56566974).

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

40404930 is a wasteful number, since it uses less digits than its factorization.

40404930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346841.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40404930 is about 6356.4872374606. The cubic root of 40404930 is about 343.1453511640.

The spelling of 40404930 in words is "forty million, four hundred four thousand, nine hundred thirty".