40243130343120 has 160 divisors (see below), whose sum is σ = 133952611127040. Its totient is φ = 9957979709440.

The previous prime is 40243130343077. The next prime is 40243130343133. The reversal of 40243130343120 is 2134303134204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69171675 + ... + 69751034.

It is an arithmetic number, because the mean of its divisors is an integer number (837203819544).

Almost surely, 2^{40243130343120} is an apocalyptic number.

40243130343120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40243130343120 is an abundant number, since it is smaller than the sum of its proper divisors (93709480783920).

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

40243130343120 is a wasteful number, since it uses less digits than its factorization.

40243130343120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138922813 (or 138922807 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 40243130343120 its reverse (2134303134204), we get a palindrome (42377433477324).

The spelling of 40243130343120 in words is "forty trillion, two hundred forty-three billion, one hundred thirty million, three hundred forty-three thousand, one hundred twenty".