40354244 has 36 divisors (see below), whose sum is σ = 82602576. Its totient is φ = 17199504.

The previous prime is 40354217. The next prime is 40354261. The reversal of 40354244 is 44245304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44039 + ... + 44945.

It is an arithmetic number, because the mean of its divisors is an integer number (2294516).

Almost surely, 2^40354244 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 40354244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41301288).

40354244 is an abundant number, since it is smaller than the sum of its proper divisors (42248332).

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

40354244 is a wasteful number, since it uses less digits than its factorization.

40354244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40354244 is about 6352.4990358126. The cubic root of 40354244 is about 343.0018047941.

Adding to 40354244 its reverse (44245304), we get a palindrome (84599548).

The spelling of 40354244 in words is "forty million, three hundred fifty-four thousand, two hundred forty-four".