401920701 has 48 divisors (see below), whose sum is σ = 667232640. Its totient is φ = 210712320.

The previous prime is 401920679. The next prime is 401920709. The reversal of 401920701 is 107029104.

It is not a de Polignac number, because 401920701 - 2¹¹ = 401918653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401920709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 954471 + ... + 954891.

It is an arithmetic number, because the mean of its divisors is an integer number (13900680).

Almost surely, 2^401920701 is an apocalyptic number.

It is an amenable number.

401920701 is a deficient number, since it is larger than the sum of its proper divisors (265311939).

401920701 is a wasteful number, since it uses less digits than its factorization.

401920701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 401920701 is about 20047.9600209099. The cubic root of 401920701 is about 737.9837376430.

Adding to 401920701 its reverse (107029104), we get a palindrome (508949805).

The spelling of 401920701 in words is "four hundred one million, nine hundred twenty thousand, seven hundred one".