40734240243252 has 12 divisors (see below), whose sum is σ = 95046560567616. Its totient is φ = 13578080081080.

The previous prime is 40734240243241. The next prime is 40734240243271. The reversal of 40734240243252 is 25234204243704.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40734240243252² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 1697260010124 + ... + 1697260010147.

It is an arithmetic number, because the mean of its divisors is an integer number (7920546713968).

Almost surely, 2^{40734240243252} is an apocalyptic number.

It is an amenable number.

40734240243252 is an abundant number, since it is smaller than the sum of its proper divisors (54312320324364).

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

40734240243252 is a wasteful number, since it uses less digits than its factorization.

40734240243252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394520020278 (or 3394520020276 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 42.

Adding to 40734240243252 its reverse (25234204243704), we get a palindrome (65968444486956).

The spelling of 40734240243252 in words is "forty trillion, seven hundred thirty-four billion, two hundred forty million, two hundred forty-three thousand, two hundred fifty-two".