40243231302420 has 48 divisors (see below), whose sum is σ = 112703780181888. Its totient is φ = 10729363344000.

The previous prime is 40243231302409. The next prime is 40243231302433. The reversal of 40243231302420 is 2420313234204.

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 15 ways as a sum of consecutive naturals, for example, 67356456 + ... + 67951295.

It is an arithmetic number, because the mean of its divisors is an integer number (2347995420456).

Almost surely, 2^{40243231302420} is an apocalyptic number.

It is an amenable number.

40243231302420 is an abundant number, since it is smaller than the sum of its proper divisors (72460548879468).

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

40243231302420 is a wasteful number, since it uses less digits than its factorization.

40243231302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135312720 (or 135312718 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 40243231302420 its reverse (2420313234204), we get a palindrome (42663544536624).

The spelling of 40243231302420 in words is "forty trillion, two hundred forty-three billion, two hundred thirty-one million, three hundred two thousand, four hundred twenty".