40819464 has 80 divisors (see below), whose sum is σ = 130680000. Its totient is φ = 11661408.

The previous prime is 40819459. The next prime is 40819507. The reversal of 40819464 is 46491804.

It is a happy number.

40819464 is a `hidden beast` number, since 408 + 194 + 64 = 666.

40819464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 37 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (1633500).

Almost surely, 2^40819464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40819464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65340000).

40819464 is an abundant number, since it is smaller than the sum of its proper divisors (89860536).

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

40819464 is a wasteful number, since it uses less digits than its factorization.

40819464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40819464 is about 6389.0111910999. The cubic root of 40819464 is about 344.3148595521.

The spelling of 40819464 in words is "forty million, eight hundred nineteen thousand, four hundred sixty-four".