40621466 has 32 divisors (see below), whose sum is σ = 66361680. Its totient is φ = 18579456.

The previous prime is 40621463. The next prime is 40621549. The reversal of 40621466 is 66412604.

It can be written as a sum of positive squares in 8 ways, for example, as 16168441 + 24453025 = 4021^2 + 4945^2 .

It is not an unprimeable number, because it can be changed into a prime (40621463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359426 + ... + 359538.

Almost surely, 2^40621466 is an apocalyptic number.

40621466 is a deficient number, since it is larger than the sum of its proper divisors (25740214).

40621466 is a wasteful number, since it uses less digits than its factorization.

40621466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40621466 is about 6373.4971561930. The cubic root of 40621466 is about 343.7572482879.

The spelling of 40621466 in words is "forty million, six hundred twenty-one thousand, four hundred sixty-six".