40062440 has 64 divisors (see below), whose sum is σ = 99610560. Its totient is φ = 14379520.

The previous prime is 40062409. The next prime is 40062443. The reversal of 40062440 is 4426004.

40062440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (40062443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35972 + ... + 37068.

It is an arithmetic number, because the mean of its divisors is an integer number (1556415).

Almost surely, 2^40062440 is an apocalyptic number.

40062440 is a gapful number since it is divisible by the number (40) 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 40062440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49805280).

40062440 is an abundant number, since it is smaller than the sum of its proper divisors (59548120).

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

40062440 is a wasteful number, since it uses less digits than its factorization.

40062440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40062440 is about 6329.4897108693. The cubic root of 40062440 is about 342.1730483183.

Adding to 40062440 its reverse (4426004), we get a palindrome (44488444).

It can be divided in two parts, 4006 and 2440, that added together give a palindrome (6446).

The spelling of 40062440 in words is "forty million, sixty-two thousand, four hundred forty".