40302010 has 48 divisors (see below), whose sum is σ = 84989736. Its totient is φ = 13719552.

The previous prime is 40302001. The next prime is 40302011. The reversal of 40302010 is 1020304.

It can be written as a sum of positive squares in 4 ways, for example, as 24770529 + 15531481 = 4977^2 + 3941^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (40302011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113994 + ... + 114346.

Almost surely, 2^40302010 is an apocalyptic number.

40302010 is an abundant number, since it is smaller than the sum of its proper divisors (44687726).

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

40302010 is a wasteful number, since it uses less digits than its factorization.

40302010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40302010 is about 6348.3864091594. The cubic root of 40302010 is about 342.8537485610.

Adding to 40302010 its reverse (1020304), we get a palindrome (41322314).

The spelling of 40302010 in words is "forty million, three hundred two thousand, ten".