40602988841 has 4 divisors (see below), whose sum is σ = 41593305684. Its totient is φ = 39612672000.

The previous prime is 40602988801. The next prime is 40602988859. The reversal of 40602988841 is 14888920604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4209414400 + 36393574441 = 64880^2 + 190771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40602988841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40602988841.

It is not an unprimeable number, because it can be changed into a prime (40602988801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495158360 + ... + 495158441.

It is an arithmetic number, because the mean of its divisors is an integer number (10398326421).

Almost surely, 2^40602988841 is an apocalyptic number.

40602988841 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40602988841 is a deficient number, since it is larger than the sum of its proper divisors (990316843).

40602988841 is an equidigital number, since it uses as much as digits as its factorization.

40602988841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990316842.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 40602988841 in words is "forty billion, six hundred two million, nine hundred eighty-eight thousand, eight hundred forty-one".