40563594 has 48 divisors (see below), whose sum is σ = 93693600. Its totient is φ = 12646368.

The previous prime is 40563571. The next prime is 40563617. The reversal of 40563594 is 49536504.

It is a happy number.

40563594 is a `hidden beast` number, since 4 + 0 + 5 + 63 + 594 = 666.

It is an interprime number because it is at equal distance from previous prime (40563571) and next prime (40563617).

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, 27672 + ... + 29100.

It is an arithmetic number, because the mean of its divisors is an integer number (1951950).

Almost surely, 2^40563594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40563594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46846800).

40563594 is an abundant number, since it is smaller than the sum of its proper divisors (53130006).

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

40563594 is a wasteful number, since it uses less digits than its factorization.

40563594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1536 counting only the distinct ones).

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

The square root of 40563594 is about 6368.9554873621. The cubic root of 40563594 is about 343.5939243420.

The spelling of 40563594 in words is "forty million, five hundred sixty-three thousand, five hundred ninety-four".