401081415 has 48 divisors (see below), whose sum is σ = 748569600. Its totient is φ = 182844480.

The previous prime is 401081413. The next prime is 401081419. The reversal of 401081415 is 514180104.

It is not a de Polignac number, because 401081415 - 2¹ = 401081413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401081411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439810 + ... + 440720.

It is an arithmetic number, because the mean of its divisors is an integer number (15595200).

Almost surely, 2^401081415 is an apocalyptic number.

401081415 is a deficient number, since it is larger than the sum of its proper divisors (347488185).

401081415 is a wasteful number, since it uses less digits than its factorization.

401081415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 401081415 is about 20027.0171268714. The cubic root of 401081415 is about 737.4696967344.

The spelling of 401081415 in words is "four hundred one million, eighty-one thousand, four hundred fifteen".