400680070 has 16 divisors (see below), whose sum is σ = 824256288. Its totient is φ = 137376000.

The previous prime is 400680061. The next prime is 400680083. The reversal of 400680070 is 70086004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861931 + ... + 2862070.

It is an arithmetic number, because the mean of its divisors is an integer number (51516018).

Almost surely, 2^400680070 is an apocalyptic number.

400680070 is an abundant number, since it is smaller than the sum of its proper divisors (423576218).

400680070 is a wasteful number, since it uses less digits than its factorization.

400680070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724015.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 400680070 is about 20016.9945296491. The cubic root of 400680070 is about 737.2236298562.

The spelling of 400680070 in words is "four hundred million, six hundred eighty thousand, seventy".