40341540 has 144 divisors (see below), whose sum is σ = 124862976. Its totient is φ = 9715200.

The previous prime is 40341487. The next prime is 40341583. The reversal of 40341540 is 4514304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 983920 + ... + 983960.

It is an arithmetic number, because the mean of its divisors is an integer number (867104).

Almost surely, 2^40341540 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 40341540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62431488).

40341540 is an abundant number, since it is smaller than the sum of its proper divisors (84521436).

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

40341540 is a wasteful number, since it uses less digits than its factorization.

40341540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40341540 is about 6351.4990356608. The cubic root of 40341540 is about 342.9658073223.

Adding to 40341540 its reverse (4514304), we get a palindrome (44855844).

The spelling of 40341540 in words is "forty million, three hundred forty-one thousand, five hundred forty".