40260436 has 6 divisors (see below), whose sum is σ = 70455770. Its totient is φ = 20130216.

The previous prime is 40260433. The next prime is 40260457. The reversal of 40260436 is 63406204.

It can be written as a sum of positive squares in only one way, i.e., 33131536 + 7128900 = 5756^2 + 2670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40260436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032551 + ... + 5032558.

Almost surely, 2^40260436 is an apocalyptic number.

It is an amenable number.

40260436 is a deficient number, since it is larger than the sum of its proper divisors (30195334).

40260436 is a wasteful number, since it uses less digits than its factorization.

40260436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065113 (or 10065111 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40260436 is about 6345.1111889391. Note that the first 4 decimals coincide. The cubic root of 40260436 is about 342.7358164299.

The spelling of 40260436 in words is "forty million, two hundred sixty thousand, four hundred thirty-six".