40837351392 has 144 divisors (see below), whose sum is σ = 122705921520. Its totient is φ = 13355476992.

The previous prime is 40837351351. The next prime is 40837351393. The reversal of 40837351392 is 29315373804.

40837351392 is a `hidden beast` number, since 40 + 8 + 3 + 7 + 3 + 513 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40837351393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362584 + ... + 461672.

It is an arithmetic number, because the mean of its divisors is an integer number (852124455).

Almost surely, 2^40837351392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40837351392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61352960760).

40837351392 is an abundant number, since it is smaller than the sum of its proper divisors (81868570128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40837351392 is an equidigital number, since it uses as much as digits as its factorization.

40837351392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99167 (or 99147 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 40837351392 in words is "forty billion, eight hundred thirty-seven million, three hundred fifty-one thousand, three hundred ninety-two".