40563700 has 72 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 15060480.

The previous prime is 40563661. The next prime is 40563703. The reversal of 40563700 is 736504.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40563703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181789 + ... + 182011.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^40563700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40563700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47246976).

40563700 is an abundant number, since it is smaller than the sum of its proper divisors (53930252).

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

40563700 is a wasteful number, since it uses less digits than its factorization.

40563700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40563700 is about 6368.9638089724. The cubic root of 40563700 is about 343.5942236327.

The spelling of 40563700 in words is "forty million, five hundred sixty-three thousand, seven hundred".