400914441 has 20 divisors (see below), whose sum is σ = 613509204. Its totient is φ = 260755200.

The previous prime is 400914439. The next prime is 400914463. The reversal of 400914441 is 144419004.

It can be written as a sum of positive squares in 2 ways, for example, as 8874441 + 392040000 = 2979^2 + 19800^2 .

It is not a de Polignac number, because 400914441 - 2¹ = 400914439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400914401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57040 + ... + 63681.

Almost surely, 2^400914441 is an apocalyptic number.

400914441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

400914441 is a deficient number, since it is larger than the sum of its proper divisors (212594763).

400914441 is a wasteful number, since it uses less digits than its factorization.

400914441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120774 (or 120765 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 400914441 is about 20022.8479742518. The cubic root of 400914441 is about 737.3673439847.

The spelling of 400914441 in words is "four hundred million, nine hundred fourteen thousand, four hundred forty-one".