40343443437 has 8 divisors (see below), whose sum is σ = 58681372320. Its totient is φ = 24450571760.

The previous prime is 40343443433. The next prime is 40343443453. The reversal of 40343443437 is 73434434304.

40343443437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40343443437 - 2² = 40343443433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40343443395 and 40343443404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343443433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611264262 + ... + 611264327.

It is an arithmetic number, because the mean of its divisors is an integer number (7335171540).

Almost surely, 2^40343443437 is an apocalyptic number.

It is an amenable number.

40343443437 is a deficient number, since it is larger than the sum of its proper divisors (18337928883).

40343443437 is a wasteful number, since it uses less digits than its factorization.

40343443437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222528603.

The product of its (nonzero) digits is 580608, while the sum is 39.

The spelling of 40343443437 in words is "forty billion, three hundred forty-three million, four hundred forty-three thousand, four hundred thirty-seven".