40601869 has 16 divisors (see below), whose sum is σ = 51580800. Its totient is φ = 31037760.

The previous prime is 40601867. The next prime is 40601887. The reversal of 40601869 is 96810604.

40601869 = 128² + 129² + ... + 498².

It is a cyclic number.

It is not a de Polignac number, because 40601869 - 2¹ = 40601867 is a prime.

It is a super-2 number, since 2×40601869² = 3297023532586322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40601863) 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, 894 + ... + 9055.

It is an arithmetic number, because the mean of its divisors is an integer number (3223800).

Almost surely, 2^40601869 is an apocalyptic number.

It is an amenable number.

40601869 is a deficient number, since it is larger than the sum of its proper divisors (10978931).

40601869 is a wasteful number, since it uses less digits than its factorization.

40601869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 40601869 is about 6371.9595886980. The cubic root of 40601869 is about 343.7019598320.

It can be divided in two parts, 4060 and 1869, that added together give a square (5929 = 77²).

The spelling of 40601869 in words is "forty million, six hundred one thousand, eight hundred sixty-nine".