40755582 has 64 divisors (see below), whose sum is σ = 104394240. Its totient is φ = 11544768.

The previous prime is 40755581. The next prime is 40755593. The reversal of 40755582 is 28555704.

It is a happy number.

40755582 is a `hidden beast` number, since 4 + 0 + 75 + 5 + 582 = 666.

It is a super-2 number, since 2×40755582² = 3322034928317448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40755581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51393 + ... + 52179.

It is an arithmetic number, because the mean of its divisors is an integer number (1631160).

Almost surely, 2^40755582 is an apocalyptic number.

40755582 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40755582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52197120).

40755582 is an abundant number, since it is smaller than the sum of its proper divisors (63638658).

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

40755582 is a wasteful number, since it uses less digits than its factorization.

40755582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 40755582 is about 6384.0098684134. The cubic root of 40755582 is about 344.1351494830.

The spelling of 40755582 in words is "forty million, seven hundred fifty-five thousand, five hundred eighty-two".