402111340 has 48 divisors (see below), whose sum is σ = 861235200. Its totient is φ = 157671360.

The previous prime is 402111299. The next prime is 402111349. The reversal of 402111340 is 43111204.

It is not an unprimeable number, because it can be changed into a prime (402111349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281869 + ... + 283291.

It is an arithmetic number, because the mean of its divisors is an integer number (17942400).

Almost surely, 2^402111340 is an apocalyptic number.

It is an amenable number.

402111340 is an abundant number, since it is smaller than the sum of its proper divisors (459123860).

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

402111340 is a wasteful number, since it uses less digits than its factorization.

402111340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402111340 is about 20052.7140307740. The cubic root of 402111340 is about 738.1003993323.

Adding to 402111340 its reverse (43111204), we get a palindrome (445222544).

The spelling of 402111340 in words is "four hundred two million, one hundred eleven thousand, three hundred forty".