40301393392 has 160 divisors (see below), whose sum is σ = 90033681920. Its totient is φ = 17322439680.

The previous prime is 40301393381. The next prime is 40301393393. The reversal of 40301393392 is 29339310304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40301393393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73676863 + ... + 73677409.

It is an arithmetic number, because the mean of its divisors is an integer number (562710512).

Almost surely, 2^40301393392 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 40301393392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45016840960).

40301393392 is an abundant number, since it is smaller than the sum of its proper divisors (49732288528).

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

40301393392 is a wasteful number, since it uses less digits than its factorization.

40301393392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 40301393392 in words is "forty billion, three hundred one million, three hundred ninety-three thousand, three hundred ninety-two".