400708788479 has 8 divisors (see below), whose sum is σ = 407527451520. Its totient is φ = 393891025176.

The previous prime is 400708788457. The next prime is 400708788527. The reversal of 400708788479 is 974887807004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400708788479 - 2¹² = 400708784383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400708788439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705854 + ... + 1140020.

It is an arithmetic number, because the mean of its divisors is an integer number (50940931440).

Almost surely, 2^400708788479 is an apocalyptic number.

400708788479 is a deficient number, since it is larger than the sum of its proper divisors (6818663041).

400708788479 is a wasteful number, since it uses less digits than its factorization.

400708788479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449869.

The product of its (nonzero) digits is 25288704, while the sum is 62.

The spelling of 400708788479 in words is "four hundred billion, seven hundred eight million, seven hundred eighty-eight thousand, four hundred seventy-nine".