401075740 has 24 divisors (see below), whose sum is σ = 907048800. Its totient is φ = 148089408.

The previous prime is 401075723. The next prime is 401075777. The reversal of 401075740 is 47570104.

It is a junction number, because it is equal to n+sod(n) for n = 401075699 and 401075708.

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 7 ways as a sum of consecutive naturals, for example, 771040 + ... + 771559.

It is an arithmetic number, because the mean of its divisors is an integer number (37793700).

Almost surely, 2^401075740 is an apocalyptic number.

It is an amenable number.

401075740 is an abundant number, since it is smaller than the sum of its proper divisors (505973060).

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

401075740 is a wasteful number, since it uses less digits than its factorization.

401075740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542621 (or 1542619 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 401075740 is about 20026.8754427644. The cubic root of 401075740 is about 737.4662185044.

The spelling of 401075740 in words is "four hundred one million, seventy-five thousand, seven hundred forty".