40938510 has 16 divisors (see below), whose sum is σ = 98252496. Its totient is φ = 10916928.

The previous prime is 40938493. The next prime is 40938523. The reversal of 40938510 is 1583904.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1364617 = 40938510 / (4 + 0 + 9 + 3 + 8 + 5 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 682279 + ... + 682338.

It is an arithmetic number, because the mean of its divisors is an integer number (6140781).

Almost surely, 2^40938510 is an apocalyptic number.

40938510 is an abundant number, since it is smaller than the sum of its proper divisors (57313986).

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

40938510 is a wasteful number, since it uses less digits than its factorization.

40938510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364627.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 40938510 is about 6398.3208734792. The cubic root of 40938510 is about 344.6492549613.

The spelling of 40938510 in words is "forty million, nine hundred thirty-eight thousand, five hundred ten".