40243101345512 has 16 divisors (see below), whose sum is σ = 81260108486340. Its totient is φ = 18573739082496.

The previous prime is 40243101345467. The next prime is 40243101345541. The reversal of 40243101345512 is 21554310134204.

It can be written as a sum of positive squares in 2 ways, for example, as 40169559498916 + 73541846596 = 6337946^2 + 271186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193476448673 + ... + 193476448880.

Almost surely, 2^{40243101345512} is an apocalyptic number.

It is an amenable number.

40243101345512 is an abundant number, since it is smaller than the sum of its proper divisors (41017007140828).

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

40243101345512 is a wasteful number, since it uses less digits than its factorization.

40243101345512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386952897572 (or 386952897568 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 40243101345512 its reverse (21554310134204), we get a palindrome (61797411479716).

The spelling of 40243101345512 in words is "forty trillion, two hundred forty-three billion, one hundred one million, three hundred forty-five thousand, five hundred twelve".