40330401240 has 32 divisors (see below), whose sum is σ = 120991204080. Its totient is φ = 10754773632.

The previous prime is 40330401233. The next prime is 40330401247. The reversal of 40330401240 is 4210403304.

It is an interprime number because it is at equal distance from previous prime (40330401233) and next prime (40330401247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40330401247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168043219 + ... + 168043458.

Almost surely, 2^40330401240 is an apocalyptic number.

40330401240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40330401240 is an abundant number, since it is smaller than the sum of its proper divisors (80660802840).

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

40330401240 is a wasteful number, since it uses less digits than its factorization.

40330401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336086691 (or 336086687 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40330401240 its reverse (4210403304), we get a palindrome (44540804544).

The spelling of 40330401240 in words is "forty billion, three hundred thirty million, four hundred one thousand, two hundred forty".