40364244 has 72 divisors (see below), whose sum is σ = 106954848. Its totient is φ = 13309920.

The previous prime is 40364237. The next prime is 40364251. The reversal of 40364244 is 44246304.

It is an interprime number because it is at equal distance from previous prime (40364237) and next prime (40364251).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127174 + ... + 127490.

It is an arithmetic number, because the mean of its divisors is an integer number (1485484).

Almost surely, 2^40364244 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 40364244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53477424).

40364244 is an abundant number, since it is smaller than the sum of its proper divisors (66590604).

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

40364244 is a wasteful number, since it uses less digits than its factorization.

40364244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40364244 is about 6353.2860788729. The cubic root of 40364244 is about 343.0301350217.

The spelling of 40364244 in words is "forty million, three hundred sixty-four thousand, two hundred forty-four".