400714064 has 20 divisors (see below), whose sum is σ = 777578580. Its totient is φ = 200048640.

The previous prime is 400714049. The next prime is 400714121. The reversal of 400714064 is 460417004.

It can be written as a sum of positive squares in 2 ways, for example, as 204490000 + 196224064 = 14300^2 + 14008^2 .

It is a super-2 number, since 2×400714064² = 321143522174792192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8369 + ... + 29520.

It is an arithmetic number, because the mean of its divisors is an integer number (38878929).

Almost surely, 2^400714064 is an apocalyptic number.

It is an amenable number.

400714064 is a deficient number, since it is larger than the sum of its proper divisors (376864516).

400714064 is a wasteful number, since it uses less digits than its factorization.

400714064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38558 (or 38552 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 400714064 is about 20017.8436401127. The cubic root of 400714064 is about 737.2444781366.

The spelling of 400714064 in words is "four hundred million, seven hundred fourteen thousand, sixty-four".