40299543 has 6 divisors (see below), whose sum is σ = 58210464. Its totient is φ = 26866356.

The previous prime is 40299541. The next prime is 40299563. The reversal of 40299543 is 34599204.

It is not a de Polignac number, because 40299543 - 2¹ = 40299541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40299498 and 40299507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40299541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2238855 + ... + 2238872.

It is an arithmetic number, because the mean of its divisors is an integer number (9701744).

Almost surely, 2^40299543 is an apocalyptic number.

40299543 is a deficient number, since it is larger than the sum of its proper divisors (17910921).

40299543 is a wasteful number, since it uses less digits than its factorization.

40299543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477733 (or 4477730 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 40299543 is about 6348.1921048437. The cubic root of 40299543 is about 342.8467527357.

The spelling of 40299543 in words is "forty million, two hundred ninety-nine thousand, five hundred forty-three".