400770716 has 48 divisors (see below), whose sum is σ = 760596480. Its totient is φ = 184078080.

The previous prime is 400770701. The next prime is 400770719. The reversal of 400770716 is 617077004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400770719) 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, 766031 + ... + 766553.

It is an arithmetic number, because the mean of its divisors is an integer number (15845760).

Almost surely, 2^400770716 is an apocalyptic number.

It is an amenable number.

400770716 is a deficient number, since it is larger than the sum of its proper divisors (359825764).

400770716 is a wasteful number, since it uses less digits than its factorization.

400770716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 400770716 is about 20019.2586276315. The cubic root of 400770716 is about 737.2792197889.

The spelling of 400770716 in words is "four hundred million, seven hundred seventy thousand, seven hundred sixteen".