40572100 has 36 divisors (see below), whose sum is σ = 88338964. Its totient is φ = 16174080.

The previous prime is 40572079. The next prime is 40572101. The reversal of 40572100 is 127504.

It can be written as a sum of positive squares in 6 ways, for example, as 14500864 + 26071236 = 3808^2 + 5106^2 .

It is not an unprimeable number, because it can be changed into a prime (40572101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42832 + ... + 43768.

Almost surely, 2^40572100 is an apocalyptic number.

It is an amenable number.

40572100 is an abundant number, since it is smaller than the sum of its proper divisors (47766864).

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

40572100 is a wasteful number, since it uses less digits than its factorization.

40572100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40572100 is about 6369.6232227660. The cubic root of 40572100 is about 343.6179393546.

Adding to 40572100 its reverse (127504), we get a palindrome (40699604).

The spelling of 40572100 in words is "forty million, five hundred seventy-two thousand, one hundred".