40442851437 has 8 divisors (see below), whose sum is σ = 57095790336. Its totient is φ = 25375906752.

The previous prime is 40442851387. The next prime is 40442851459. The reversal of 40442851437 is 73415824404.

40442851437 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 not a de Polignac number, because 40442851437 - 2⁸ = 40442851181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442851487) 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, 396498493 + ... + 396498594.

It is an arithmetic number, because the mean of its divisors is an integer number (7136973792).

Almost surely, 2^40442851437 is an apocalyptic number.

It is an amenable number.

40442851437 is a deficient number, since it is larger than the sum of its proper divisors (16652938899).

40442851437 is a wasteful number, since it uses less digits than its factorization.

40442851437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792997107.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 40442851437 in words is "forty billion, four hundred forty-two million, eight hundred fifty-one thousand, four hundred thirty-seven".