40844364 has 48 divisors (see below), whose sum is σ = 106517376. Its totient is φ = 12073600.

The previous prime is 40844351. The next prime is 40844381. The reversal of 40844364 is 46344804.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (2219112).

Almost surely, 2^40844364 is an apocalyptic number.

40844364 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 40844364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53258688).

40844364 is an abundant number, since it is smaller than the sum of its proper divisors (65673012).

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

40844364 is a wasteful number, since it uses less digits than its factorization.

40844364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7604 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 40844364 is about 6390.9595523677. The cubic root of 40844364 is about 344.3848563664.

It can be divided in two parts, 4084 and 4364, that added together give a palindrome (8448).

The spelling of 40844364 in words is "forty million, eight hundred forty-four thousand, three hundred sixty-four".