40621070 has 16 divisors (see below), whose sum is σ = 83563488. Its totient is φ = 13927200.

The previous prime is 40621057. The next prime is 40621073. The reversal of 40621070 is 7012604.

40621070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290081 + ... + 290220.

It is an arithmetic number, because the mean of its divisors is an integer number (5222718).

Almost surely, 2^40621070 is an apocalyptic number.

40621070 is an abundant number, since it is smaller than the sum of its proper divisors (42942418).

40621070 is a wasteful number, since it uses less digits than its factorization.

40621070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580315.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40621070 is about 6373.4660899702. The cubic root of 40621070 is about 343.7561312405.

Adding to 40621070 its reverse (7012604), we get a palindrome (47633674).

The spelling of 40621070 in words is "forty million, six hundred twenty-one thousand, seventy".