40542560 has 72 divisors (see below), whose sum is σ = 100336320. Its totient is φ = 15479552.

The previous prime is 40542559. The next prime is 40542587. The reversal of 40542560 is 6524504.

40542560 = T₉₆ + T₉₇ + ... + T₆₂₄.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84401 + ... + 84879.

It is an arithmetic number, because the mean of its divisors is an integer number (1393560).

Almost surely, 2^40542560 is an apocalyptic number.

40542560 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 40542560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50168160).

40542560 is an abundant number, since it is smaller than the sum of its proper divisors (59793760).

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

40542560 is a wasteful number, since it uses less digits than its factorization.

40542560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40542560 is about 6367.3039820634. The cubic root of 40542560 is about 343.5345245744.

The spelling of 40542560 in words is "forty million, five hundred forty-two thousand, five hundred sixty".