40269744 has 120 divisors (see below), whose sum is σ = 120669360. Its totient is φ = 12856320.

The previous prime is 40269743. The next prime is 40269763. The reversal of 40269744 is 44796204.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40269699 and 40269708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40269743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415104 + ... + 415200.

It is an arithmetic number, because the mean of its divisors is an integer number (1005578).

Almost surely, 2^40269744 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 40269744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60334680).

40269744 is an abundant number, since it is smaller than the sum of its proper divisors (80399616).

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

40269744 is a wasteful number, since it uses less digits than its factorization.

40269744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 40269744 is about 6345.8446246343. The cubic root of 40269744 is about 342.7622272977.

The spelling of 40269744 in words is "forty million, two hundred sixty-nine thousand, seven hundred forty-four".