40595984 has 60 divisors (see below), whose sum is σ = 93163308. Its totient is φ = 17022720.

The previous prime is 40595959. The next prime is 40596001. The reversal of 40595984 is 48959504.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 25603600 = 3872^2 + 5060^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

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 11 ways as a sum of consecutive naturals, for example, 24362 + ... + 25974.

Almost surely, 2^40595984 is an apocalyptic number.

40595984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40595984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46581654).

40595984 is an abundant number, since it is smaller than the sum of its proper divisors (52567324).

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

40595984 is a wasteful number, since it uses less digits than its factorization.

40595984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 40595984 is about 6371.4977830962. The cubic root of 40595984 is about 343.6853531764.

The spelling of 40595984 in words is "forty million, five hundred ninety-five thousand, nine hundred eighty-four".