361404140 has 24 divisors (see below), whose sum is σ = 759454080. Its totient is φ = 144465408.

The previous prime is 361404091. The next prime is 361404143. The reversal of 361404140 is 41404163.

361404140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×361404140² = 261225904818279200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361404143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30044 + ... + 40316.

It is an arithmetic number, because the mean of its divisors is an integer number (31643920).

Almost surely, 2^361404140 is an apocalyptic number.

It is an amenable number.

361404140 is an abundant number, since it is smaller than the sum of its proper divisors (398049940).

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

361404140 is a wasteful number, since it uses less digits than its factorization.

361404140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041 (or 12039 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 361404140 is about 19010.6322882749. The cubic root of 361404140 is about 712.3023455021.

Adding to 361404140 its sum of digits (23), we get a palindrome (361404163).

The spelling of 361404140 in words is "three hundred sixty-one million, four hundred four thousand, one hundred forty".