61296154244 has 24 divisors (see below), whose sum is σ = 122314952088. Its totient is φ = 26626383360.

The previous prime is 61296154223. The next prime is 61296154247. The reversal of 61296154244 is 44245169216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1912312900 + 59383841344 = 43730^2 + 243688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61296154195 and 61296154204.

It is not an unprimeable number, because it can be changed into a prime (61296154247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34668887 + ... + 34670654.

It is an arithmetic number, because the mean of its divisors is an integer number (5096456337).

Almost surely, 2^61296154244 is an apocalyptic number.

It is an amenable number.

61296154244 is a deficient number, since it is larger than the sum of its proper divisors (61018797844).

61296154244 is a wasteful number, since it uses less digits than its factorization.

61296154244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69339575 (or 69339573 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 61296154244 in words is "sixty-one billion, two hundred ninety-six million, one hundred fifty-four thousand, two hundred forty-four".