40003150 has 24 divisors (see below), whose sum is σ = 81171144. Its totient is φ = 14546400.

The previous prime is 40003133. The next prime is 40003153. The reversal of 40003150 is 5130004.

It is a self number, because there is not a number n which added to its sum of digits gives 40003150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35817 + ... + 36916.

It is an arithmetic number, because the mean of its divisors is an integer number (3382131).

Almost surely, 2^40003150 is an apocalyptic number.

40003150 is an abundant number, since it is smaller than the sum of its proper divisors (41167994).

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

40003150 is a wasteful number, since it uses less digits than its factorization.

40003150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72756 (or 72751 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40003150 is about 6324.8043447999. The cubic root of 40003150 is about 342.0041664734.

Adding to 40003150 its reverse (5130004), we get a palindrome (45133154).

The spelling of 40003150 in words is "forty million, three thousand, one hundred fifty".