40365888 has 112 divisors (see below), whose sum is σ = 115214400. Its totient is φ = 12427264.

The previous prime is 40365887. The next prime is 40365889. The reversal of 40365888 is 88856304.

It is an interprime number because it is at equal distance from previous prime (40365887) and next prime (40365889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40365887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270838 + ... + 270986.

It is an arithmetic number, because the mean of its divisors is an integer number (1028700).

Almost surely, 2^40365888 is an apocalyptic number.

40365888 is a gapful number since it is divisible by the number (48) 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 40365888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57607200).

40365888 is an abundant number, since it is smaller than the sum of its proper divisors (74848512).

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

40365888 is a wasteful number, since it uses less digits than its factorization.

40365888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 40365888 is about 6353.4154594202. The cubic root of 40365888 is about 343.0347920633.

The spelling of 40365888 in words is "forty million, three hundred sixty-five thousand, eight hundred eighty-eight".