40555376500 has 96 divisors (see below), whose sum is σ = 93831978240. Its totient is φ = 15269904000.

The previous prime is 40555376461. The next prime is 40555376527. The reversal of 40555376500 is 567355504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1477905 + ... + 1505095.

It is an arithmetic number, because the mean of its divisors is an integer number (977416440).

Almost surely, 2^40555376500 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 40555376500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46915989120).

40555376500 is an abundant number, since it is smaller than the sum of its proper divisors (53276601740).

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

40555376500 is a wasteful number, since it uses less digits than its factorization.

40555376500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386 (or 27374 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 40555376500 in words is "forty billion, five hundred fifty-five million, three hundred seventy-six thousand, five hundred".