40300540 has 144 divisors (see below), whose sum is σ = 108591840. Its totient is φ = 12472320.

The previous prime is 40300483. The next prime is 40300543. The reversal of 40300540 is 4500304.

40300540 = T₈ + T₉ + ... + T₆₂₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 683031 + ... + 683089.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^40300540 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 40300540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54295920).

40300540 is an abundant number, since it is smaller than the sum of its proper divisors (68291300).

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

40300540 is a wasteful number, since it uses less digits than its factorization.

40300540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40300540 is about 6348.2706306521. The cubic root of 40300540 is about 342.8495800250.

Adding to 40300540 its reverse (4500304), we get a palindrome (44800844).

The spelling of 40300540 in words is "forty million, three hundred thousand, five hundred forty".