61485326352 has 240 divisors, whose sum is σ = 184458193920. Its totient is φ = 19062086400.

The previous prime is 61485326347. The next prime is 61485326377. The reversal of 61485326352 is 25362358416.

61485326352 is a `hidden beast` number, since 6 + 1 + 4 + 8 + 5 + 3 + 2 + 635 + 2 = 666.

It is a super-2 number, since 2×61485326352² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61485326298 and 61485326307.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59636077 + ... + 59637107.

It is an arithmetic number, because the mean of its divisors is an integer number (768575808).

Almost surely, 2^61485326352 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 61485326352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92229096960).

61485326352 is an abundant number, since it is smaller than the sum of its proper divisors (122972867568).

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

61485326352 is a wasteful number, since it uses less digits than its factorization.

61485326352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1433 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 61485326352 in words is "sixty-one billion, four hundred eighty-five million, three hundred twenty-six thousand, three hundred fifty-two".