400714641 has 8 divisors (see below), whose sum is σ = 593651360. Its totient is φ = 267143076.

The previous prime is 400714627. The next prime is 400714661. The reversal of 400714641 is 146417004.

400714641 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 14 + 641 = 666.

It is not a de Polignac number, because 400714641 - 2⁶ = 400714577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14841283 = 400714641 / (4 + 0 + 0 + 7 + 1 + 4 + 6 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400714661) 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, 7420615 + ... + 7420668.

It is an arithmetic number, because the mean of its divisors is an integer number (74206420).

Almost surely, 2^400714641 is an apocalyptic number.

It is an amenable number.

400714641 is a deficient number, since it is larger than the sum of its proper divisors (192936719).

400714641 is a wasteful number, since it uses less digits than its factorization.

400714641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841292 (or 14841286 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 400714641 is about 20017.8580522492. The cubic root of 400714641 is about 737.2448319964.

The spelling of 400714641 in words is "four hundred million, seven hundred fourteen thousand, six hundred forty-one".