40323883392 has 192 divisors, whose sum is σ = 128994552960. Its totient is φ = 12006973440.

The previous prime is 40323883387. The next prime is 40323883393. The reversal of 40323883392 is 29338832304.

40323883392 is a `hidden beast` number, since 403 + 238 + 8 + 3 + 3 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×40323883392² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323883393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420828 + ... + 507684.

It is an arithmetic number, because the mean of its divisors is an integer number (671846630).

Almost surely, 2^40323883392 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 40323883392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64497276480).

40323883392 is an abundant number, since it is smaller than the sum of its proper divisors (88670669568).

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

40323883392 is a wasteful number, since it uses less digits than its factorization.

40323883392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86921 (or 86906 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 40323883392 in words is "forty billion, three hundred twenty-three million, eight hundred eighty-three thousand, three hundred ninety-two".