40553500 has 96 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 14054400.

The previous prime is 40553497. The next prime is 40553519. The reversal of 40553500 is 535504.

It is a happy number.

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, 110317 + ... + 110683.

It is an arithmetic number, because the mean of its divisors is an integer number (1054872).

Almost surely, 2^40553500 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 40553500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50633856).

40553500 is an abundant number, since it is smaller than the sum of its proper divisors (60714212).

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

40553500 is a wasteful number, since it uses less digits than its factorization.

40553500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 40553500 is about 6368.1630004264. The cubic root of 40553500 is about 343.5654215685.

The spelling of 40553500 in words is "forty million, five hundred fifty-three thousand, five hundred".