40284344 has 8 divisors (see below), whose sum is σ = 75533160. Its totient is φ = 20142168.

The previous prime is 40284319. The next prime is 40284347. The reversal of 40284344 is 44348204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40284347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2517764 + ... + 2517779.

It is an arithmetic number, because the mean of its divisors is an integer number (9441645).

Almost surely, 2^40284344 is an apocalyptic number.

It is an amenable number.

40284344 is a deficient number, since it is larger than the sum of its proper divisors (35248816).

40284344 is a wasteful number, since it uses less digits than its factorization.

40284344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035549 (or 5035545 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 40284344 is about 6346.9948794686. The cubic root of 40284344 is about 342.8036456875.

The spelling of 40284344 in words is "forty million, two hundred eighty-four thousand, three hundred forty-four".