40640300 has 18 divisors (see below), whose sum is σ = 88189668. Its totient is φ = 16256080.

The previous prime is 40640239. The next prime is 40640311. The reversal of 40640300 is 304604.

40640300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203102 + ... + 203301.

It is an arithmetic number, because the mean of its divisors is an integer number (4899426).

Almost surely, 2^40640300 is an apocalyptic number.

It is an amenable number.

40640300 is an abundant number, since it is smaller than the sum of its proper divisors (47549368).

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

40640300 is a wasteful number, since it uses less digits than its factorization.

40640300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406417 (or 406410 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40640300 is about 6374.9745097530. The cubic root of 40640300 is about 343.8103673595.

Adding to 40640300 its reverse (304604), we get a palindrome (40944904).

The spelling of 40640300 in words is "forty million, six hundred forty thousand, three hundred".