40419330 has 64 divisors (see below), whose sum is σ = 114704640. Its totient is φ = 8918784.

The previous prime is 40419311. The next prime is 40419331. The reversal of 40419330 is 3391404.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 40419330.

It is not an unprimeable number, because it can be changed into a prime (40419331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772 + ... + 9408.

It is an arithmetic number, because the mean of its divisors is an integer number (1792260).

Almost surely, 2^40419330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40419330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57352320).

40419330 is an abundant number, since it is smaller than the sum of its proper divisors (74285310).

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

40419330 is a wasteful number, since it uses less digits than its factorization.

40419330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40419330 is about 6357.6198376436. The cubic root of 40419330 is about 343.1861110924.

The spelling of 40419330 in words is "forty million, four hundred nineteen thousand, three hundred thirty".