61400283242 has 4 divisors (see below), whose sum is σ = 92100424866. Its totient is φ = 30700141620.

The previous prime is 61400283227. The next prime is 61400283271. The reversal of 61400283242 is 24238200416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57854199841 + 3546083401 = 240529^2 + 59549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61400283199 and 61400283208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15350070809 + ... + 15350070812.

Almost surely, 2^61400283242 is an apocalyptic number.

61400283242 is a deficient number, since it is larger than the sum of its proper divisors (30700141624).

61400283242 is a wasteful number, since it uses less digits than its factorization.

61400283242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700141623.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 61400283242 its reverse (24238200416), we get a palindrome (85638483658).

The spelling of 61400283242 in words is "sixty-one billion, four hundred million, two hundred eighty-three thousand, two hundred forty-two".