40340751345 has 24 divisors (see below), whose sum is σ = 70255378752. Its totient is φ = 21413095200.

The previous prime is 40340751337. The next prime is 40340751401. The reversal of 40340751345 is 54315704304.

It is not a de Polignac number, because 40340751345 - 2³ = 40340751337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2114821 + ... + 2133810.

It is an arithmetic number, because the mean of its divisors is an integer number (2927307448).

Almost surely, 2^40340751345 is an apocalyptic number.

40340751345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40340751345 is a deficient number, since it is larger than the sum of its proper divisors (29914627407).

40340751345 is a wasteful number, since it uses less digits than its factorization.

40340751345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248853 (or 4248850 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 40340751345 in words is "forty billion, three hundred forty million, seven hundred fifty-one thousand, three hundred forty-five".