401052340 has 24 divisors (see below), whose sum is σ = 906995880. Its totient is φ = 148080768.

The previous prime is 401052329. The next prime is 401052347. The reversal of 401052340 is 43250104.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 401040676 = 108^2 + 20026^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401052347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770995 + ... + 771514.

It is an arithmetic number, because the mean of its divisors is an integer number (37791495).

Almost surely, 2^401052340 is an apocalyptic number.

It is an amenable number.

401052340 is an abundant number, since it is smaller than the sum of its proper divisors (505943540).

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

401052340 is a wasteful number, since it uses less digits than its factorization.

401052340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542531 (or 1542529 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 401052340 is about 20026.2912192947. The cubic root of 401052340 is about 737.4518762049.

The spelling of 401052340 in words is "four hundred one million, fifty-two thousand, three hundred forty".