361141820 has 24 divisors (see below), whose sum is σ = 816736704. Its totient is φ = 133344576.

The previous prime is 361141819. The next prime is 361141849. The reversal of 361141820 is 28141163.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 361141820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694244 + ... + 694763.

It is an arithmetic number, because the mean of its divisors is an integer number (34030696).

Almost surely, 2^361141820 is an apocalyptic number.

It is an amenable number.

361141820 is an abundant number, since it is smaller than the sum of its proper divisors (455594884).

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

361141820 is a wasteful number, since it uses less digits than its factorization.

361141820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389029 (or 1389027 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 361141820 is about 19003.7317387928. The cubic root of 361141820 is about 712.1299656494.

Adding to 361141820 its reverse (28141163), we get a palindrome (389282983).

The spelling of 361141820 in words is "three hundred sixty-one million, one hundred forty-one thousand, eight hundred twenty".