40621695 has 16 divisors (see below), whose sum is σ = 65640672. Its totient is φ = 21449600.

The previous prime is 40621681. The next prime is 40621697. The reversal of 40621695 is 59612604.

It is not a de Polignac number, because 40621695 - 2¹⁴ = 40605311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621697) 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, 11892 + ... + 14921.

It is an arithmetic number, because the mean of its divisors is an integer number (4102542).

Almost surely, 2^40621695 is an apocalyptic number.

40621695 is a deficient number, since it is larger than the sum of its proper divisors (25018977).

40621695 is a wasteful number, since it uses less digits than its factorization.

40621695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26922.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 40621695 is about 6373.5151211871. The cubic root of 40621695 is about 343.7578942540.

The spelling of 40621695 in words is "forty million, six hundred twenty-one thousand, six hundred ninety-five".