40220302500 has 405 divisors, whose sum is σ = 148564046631. Its totient is φ = 9145080000.

The previous prime is 40220302489. The next prime is 40220302519. The reversal of 40220302500 is 520302204.

The square root of 40220302500 is 200550.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 3153271716 + 37067030784 = 56154^2 + 192528^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 210577405 + ... + 210577595.

Almost surely, 2^40220302500 is an apocalyptic number.

40220302500 is the 200550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220302500

40220302500 is an abundant number, since it is smaller than the sum of its proper divisors (108343744131).

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

40220302500 is a wasteful number, since it uses less digits than its factorization.

40220302500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 40220302500 its reverse (520302204), we get a palindrome (40740604704).

The spelling of 40220302500 in words is "forty billion, two hundred twenty million, three hundred two thousand, five hundred".