40583853540 has 72 divisors (see below), whose sum is σ = 123120761400. Its totient is φ = 10820918784.

The previous prime is 40583853511. The next prime is 40583853547. The reversal of 40583853540 is 4535838504.

40583853540 is a `hidden beast` number, since 4 + 0 + 58 + 3 + 8 + 53 + 540 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21285642816 + 19298210724 = 145896^2 + 138918^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (40583853547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2611072 + ... + 2626568.

It is an arithmetic number, because the mean of its divisors is an integer number (1710010575).

Almost surely, 2^40583853540 is an apocalyptic number.

It is an amenable number.

40583853540 is an abundant number, since it is smaller than the sum of its proper divisors (82536907860).

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

40583853540 is a wasteful number, since it uses less digits than its factorization.

40583853540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30061 (or 30056 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 40583853540 in words is "forty billion, five hundred eighty-three million, eight hundred fifty-three thousand, five hundred forty".