40535744 has 28 divisors (see below), whose sum is σ = 81247488. Its totient is φ = 20064000.

The previous prime is 40535731. The next prime is 40535777. The reversal of 40535744 is 44753504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40535744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (2901696).

Almost surely, 2^40535744 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 40535744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40623744).

40535744 is an abundant number, since it is smaller than the sum of its proper divisors (40711744).

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

40535744 is a wasteful number, since it uses less digits than its factorization.

40535744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6374 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 40535744 is about 6366.7687251855. The cubic root of 40535744 is about 343.5152718636.

The spelling of 40535744 in words is "forty million, five hundred thirty-five thousand, seven hundred forty-four".