61230504402 has 24 divisors (see below), whose sum is σ = 132674051484. Its totient is φ = 20408943744.

The previous prime is 61230504373. The next prime is 61230504407. The reversal of 61230504402 is 20440503216.

61230504402 is a `hidden beast` number, since 612 + 3 + 0 + 5 + 0 + 4 + 40 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47899261881 + 13331242521 = 218859^2 + 115461^2 .

It is not an unprimeable number, because it can be changed into a prime (61230504407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236758 + ... + 422510.

Almost surely, 2^61230504402 is an apocalyptic number.

61230504402 is an abundant number, since it is smaller than the sum of its proper divisors (71443547082).

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

61230504402 is a wasteful number, since it uses less digits than its factorization.

61230504402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204074 (or 204071 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 61230504402 in words is "sixty-one billion, two hundred thirty million, five hundred four thousand, four hundred two".