40555500 has 96 divisors (see below), whose sum is σ = 124400640. Its totient is φ = 10238400.

The previous prime is 40555499. The next prime is 40555507. The reversal of 40555500 is 555504.

It is not an unprimeable number, because it can be changed into a prime (40555507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27789 + ... + 29211.

It is an arithmetic number, because the mean of its divisors is an integer number (1295840).

Almost surely, 2^40555500 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 40555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62200320).

40555500 is an abundant number, since it is smaller than the sum of its proper divisors (83845140).

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

40555500 is a wasteful number, since it uses less digits than its factorization.

40555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 40555500 is about 6368.3200296468. The cubic root of 40555500 is about 343.5710694127.

The spelling of 40555500 in words is "forty million, five hundred fifty-five thousand, five hundred".