40383158328 has 96 divisors (see below), whose sum is σ = 110696835600. Its totient is φ = 13298148864.

The previous prime is 40383158303. The next prime is 40383158371. The reversal of 40383158328 is 82385138304.

40383158328 is a `hidden beast` number, since 4 + 0 + 3 + 8 + 315 + 8 + 328 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10334151 + ... + 10338057.

Almost surely, 2^40383158328 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 40383158328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55348417800).

40383158328 is an abundant number, since it is smaller than the sum of its proper divisors (70313677272).

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

40383158328 is a wasteful number, since it uses less digits than its factorization.

40383158328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 40383158328 in words is "forty billion, three hundred eighty-three million, one hundred fifty-eight thousand, three hundred twenty-eight".