40040756343 has 48 divisors (see below), whose sum is σ = 67935329280. Its totient is φ = 22253444928.

The previous prime is 40040756341. The next prime is 40040756377. The reversal of 40040756343 is 34365704004.

It is a happy number.

It is not a de Polignac number, because 40040756343 - 2¹ = 40040756341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40040756298 and 40040756307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040756341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273421 + ... + 393497.

It is an arithmetic number, because the mean of its divisors is an integer number (1415319360).

Almost surely, 2^40040756343 is an apocalyptic number.

40040756343 is a deficient number, since it is larger than the sum of its proper divisors (27894572937).

40040756343 is a wasteful number, since it uses less digits than its factorization.

40040756343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120236 (or 120233 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 40040756343 in words is "forty billion, forty million, seven hundred fifty-six thousand, three hundred forty-three".