61453650048 has 256 divisors, whose sum is σ = 194584535040. Its totient is φ = 16814407680.

The previous prime is 61453650031. The next prime is 61453650053. The reversal of 61453650048 is 84005635416.

It is a super-2 number, since 2×61453650048² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 61453649991 and 61453650009.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8079015 + ... + 8086617.

It is an arithmetic number, because the mean of its divisors is an integer number (760095840).

Almost surely, 2^61453650048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61453650048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97292267520).

61453650048 is an abundant number, since it is smaller than the sum of its proper divisors (133130884992).

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

61453650048 is a wasteful number, since it uses less digits than its factorization.

61453650048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7743 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 61453650048 in words is "sixty-one billion, four hundred fifty-three million, six hundred fifty thousand, forty-eight".