40524840 has 128 divisors (see below), whose sum is σ = 136512000. Its totient is φ = 10692864.

The previous prime is 40524839. The next prime is 40524863. The reversal of 40524840 is 4842504.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 169441 + ... + 169679.

It is an arithmetic number, because the mean of its divisors is an integer number (1066500).

Almost surely, 2^40524840 is an apocalyptic number.

40524840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40524840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68256000).

40524840 is an abundant number, since it is smaller than the sum of its proper divisors (95987160).

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

40524840 is a wasteful number, since it uses less digits than its factorization.

40524840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 40524840 is about 6365.9123462391. The cubic root of 40524840 is about 343.4844675572.

The spelling of 40524840 in words is "forty million, five hundred twenty-four thousand, eight hundred forty".