40301020240 has 40 divisors (see below), whose sum is σ = 100907557128. Its totient is φ = 14880376320.

The previous prime is 40301020219. The next prime is 40301020273. The reversal of 40301020240 is 4202010304.

It can be written as a sum of positive squares in 4 ways, for example, as 6537692736 + 33763327504 = 80856^2 + 183748^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19374451 + ... + 19376530.

Almost surely, 2^40301020240 is an apocalyptic number.

40301020240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40301020240 is an abundant number, since it is smaller than the sum of its proper divisors (60606536888).

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

40301020240 is a wasteful number, since it uses less digits than its factorization.

40301020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38751007 (or 38751001 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 40301020240 its reverse (4202010304), we get a palindrome (44503030544).

The spelling of 40301020240 in words is "forty billion, three hundred one million, twenty thousand, two hundred forty".