361532420 has 12 divisors (see below), whose sum is σ = 759218124. Its totient is φ = 144612960.

The previous prime is 361532411. The next prime is 361532441. The reversal of 361532420 is 24235163.

It can be written as a sum of positive squares in 2 ways, for example, as 146264836 + 215267584 = 12094^2 + 14672^2 .

It is a super-2 number, since 2×361532420² = 261411381422112800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361532420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038291 + ... + 9038330.

It is an arithmetic number, because the mean of its divisors is an integer number (63268177).

Almost surely, 2^361532420 is an apocalyptic number.

It is an amenable number.

361532420 is an abundant number, since it is smaller than the sum of its proper divisors (397685704).

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

361532420 is a wasteful number, since it uses less digits than its factorization.

361532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076630 (or 18076628 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 361532420 is about 19014.0058903956. The cubic root of 361532420 is about 712.3866125094.

Adding to 361532420 its reverse (24235163), we get a palindrome (385767583).

The spelling of 361532420 in words is "three hundred sixty-one million, five hundred thirty-two thousand, four hundred twenty".