40519616 has 56 divisors (see below), whose sum is σ = 83338416. Its totient is φ = 19537920.

The previous prime is 40519601. The next prime is 40519637. The reversal of 40519616 is 61691504.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 378635 + ... + 378741.

It is an arithmetic number, because the mean of its divisors is an integer number (1488186).

Almost surely, 2^40519616 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 40519616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41669208).

40519616 is an abundant number, since it is smaller than the sum of its proper divisors (42818800).

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

40519616 is a wasteful number, since it uses less digits than its factorization.

40519616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40519616 is about 6365.5020226216. The cubic root of 40519616 is about 343.4697075568.

The spelling of 40519616 in words is "forty million, five hundred nineteen thousand, six hundred sixteen".