40540510 has 16 divisors (see below), whose sum is σ = 73045872. Its totient is φ = 16200000.

The previous prime is 40540499. The next prime is 40540517. The reversal of 40540510 is 1504504.

40540510 is a nontrivial binomial coefficient, being equal to C(9005, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16885 + ... + 19135.

It is an arithmetic number, because the mean of its divisors is an integer number (4565367).

Almost surely, 2^40540510 is an apocalyptic number.

40540510 is the 9004-th triangular number.

40540510 is the 3002-nd centered nonagonal number.

40540510 is a deficient number, since it is larger than the sum of its proper divisors (32505362).

40540510 is a wasteful number, since it uses less digits than its factorization.

40540510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40540510 is about 6367.1430013782. The cubic root of 40540510 is about 343.5287343000.

The spelling of 40540510 in words is "forty million, five hundred forty thousand, five hundred ten".