40235747652340 has 12 divisors (see below), whose sum is σ = 84495070069956. Its totient is φ = 16094299060928.

The previous prime is 40235747652337. The next prime is 40235747652371. The reversal of 40235747652340 is 4325674753204.

It can be written as a sum of positive squares in 2 ways, for example, as 15922446206436 + 24313301445904 = 3990294^2 + 4930852^2 .

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, 1005893691289 + ... + 1005893691328.

It is an arithmetic number, because the mean of its divisors is an integer number (7041255839163).

Almost surely, 2^{40235747652340} is an apocalyptic number.

It is an amenable number.

40235747652340 is an abundant number, since it is smaller than the sum of its proper divisors (44259322417616).

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

40235747652340 is a wasteful number, since it uses less digits than its factorization.

40235747652340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011787382626 (or 2011787382624 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 52.

The spelling of 40235747652340 in words is "forty trillion, two hundred thirty-five billion, seven hundred forty-seven million, six hundred fifty-two thousand, three hundred forty".