40554580 has 48 divisors (see below), whose sum is σ = 93352896. Its totient is φ = 14676480.

The previous prime is 40554559. The next prime is 40554599. The reversal of 40554580 is 8545504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73867 + ... + 74413.

It is an arithmetic number, because the mean of its divisors is an integer number (1944852).

Almost surely, 2^40554580 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 40554580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46676448).

40554580 is an abundant number, since it is smaller than the sum of its proper divisors (52798316).

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

40554580 is a wasteful number, since it uses less digits than its factorization.

40554580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 40554580 is about 6368.2477966863. The cubic root of 40554580 is about 343.5684714274.

The spelling of 40554580 in words is "forty million, five hundred fifty-four thousand, five hundred eighty".