40853520 has 120 divisors (see below), whose sum is σ = 143222976. Its totient is φ = 10416384.

The previous prime is 40853509. The next prime is 40853531. The reversal of 40853520 is 2535804.

It is an interprime number because it is at equal distance from previous prime (40853509) and next prime (40853531).

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15327 + ... + 17793.

Almost surely, 2^40853520 is an apocalyptic number.

40853520 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 40853520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71611488).

40853520 is an abundant number, since it is smaller than the sum of its proper divisors (102369456).

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

40853520 is a wasteful number, since it uses less digits than its factorization.

40853520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40853520 is about 6391.6758365862. The cubic root of 40853520 is about 344.4105878003.

The spelling of 40853520 in words is "forty million, eight hundred fifty-three thousand, five hundred twenty".