61441463340 has 36 divisors (see below), whose sum is σ = 186372439344. Its totient is φ = 16384390176.

The previous prime is 61441463327. The next prime is 61441463353. The reversal of 61441463340 is 4336414416.

61441463340 is a `hidden beast` number, since 6 + 1 + 4 + 4 + 14 + 633 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (61441463327) and next prime (61441463353).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61441463295 and 61441463304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170670552 + ... + 170670911.

It is an arithmetic number, because the mean of its divisors is an integer number (5177012204).

Almost surely, 2^61441463340 is an apocalyptic number.

61441463340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61441463340 is an abundant number, since it is smaller than the sum of its proper divisors (124930976004).

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

61441463340 is a wasteful number, since it uses less digits than its factorization.

61441463340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341341478 (or 341341473 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 61441463340 its reverse (4336414416), we get a palindrome (65777877756).

The spelling of 61441463340 in words is "sixty-one billion, four hundred forty-one million, four hundred sixty-three thousand, three hundred forty".