401519860 has 48 divisors (see below), whose sum is σ = 973615104. Its totient is φ = 136240128.

The previous prime is 401519827. The next prime is 401519903. The reversal of 401519860 is 68915104.

It is a super-2 number, since 2×401519860² = 322436395948839200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 28363.

It is an arithmetic number, because the mean of its divisors is an integer number (20283648).

Almost surely, 2^401519860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401519860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486807552).

401519860 is an abundant number, since it is smaller than the sum of its proper divisors (572095244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401519860 is a wasteful number, since it uses less digits than its factorization.

401519860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29680 (or 29678 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 401519860 is about 20037.9604750583. The cubic root of 401519860 is about 737.7383222887.

The spelling of 401519860 in words is "four hundred one million, five hundred nineteen thousand, eight hundred sixty".