40565425600 has 504 divisors, whose sum is σ = 122879754240. Its totient is φ = 12906915840.

The previous prime is 40565425559. The next prime is 40565425601. The reversal of 40565425600 is 652456504.

It is a self number, because there is not a number n which added to its sum of digits gives 40565425600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40565425601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 319412737 + ... + 319412863.

Almost surely, 2^40565425600 is an apocalyptic number.

40565425600 is a gapful number since it is divisible by the number (40) 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 40565425600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61439877120).

40565425600 is an abundant number, since it is smaller than the sum of its proper divisors (82314328640).

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

40565425600 is a wasteful number, since it uses less digits than its factorization.

40565425600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 40565425600 in words is "forty billion, five hundred sixty-five million, four hundred twenty-five thousand, six hundred".