40365594 has 64 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 12887424.

The previous prime is 40365587. The next prime is 40365613. The reversal of 40365594 is 49556304.

It is a happy number.

40365594 is a `hidden beast` number, since 4 + 0 + 3 + 65 + 594 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177709 + ... + 177935.

It is an arithmetic number, because the mean of its divisors is an integer number (1462050).

Almost surely, 2^40365594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40365594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46785600).

40365594 is an abundant number, since it is smaller than the sum of its proper divisors (53205606).

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

40365594 is a wasteful number, since it uses less digits than its factorization.

40365594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 40365594 is about 6353.3923222165. The cubic root of 40365594 is about 343.0339592440.

The spelling of 40365594 in words is "forty million, three hundred sixty-five thousand, five hundred ninety-four".