40524561630 has 160 divisors (see below), whose sum is σ = 127074974400. Its totient is φ = 9262693440.

The previous prime is 40524561599. The next prime is 40524561641. The reversal of 40524561630 is 3616542504.

40524561630 is a `hidden beast` number, since 4 + 0 + 5 + 2 + 4 + 5 + 616 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 204900 + ... + 350760.

It is an arithmetic number, because the mean of its divisors is an integer number (794218590).

Almost surely, 2^40524561630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40524561630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63537487200).

40524561630 is an abundant number, since it is smaller than the sum of its proper divisors (86550412770).

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

40524561630 is a wasteful number, since it uses less digits than its factorization.

40524561630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145901 (or 145878 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 40524561630 in words is "forty billion, five hundred twenty-four million, five hundred sixty-one thousand, six hundred thirty".