61436510324 has 96 divisors (see below), whose sum is σ = 134719200000. Its totient is φ = 23903115264.

The previous prime is 61436510299. The next prime is 61436510363. The reversal of 61436510324 is 42301563416.

61436510324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 22347302 + ... + 22350050.

It is an arithmetic number, because the mean of its divisors is an integer number (1403325000).

Almost surely, 2^61436510324 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 61436510324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67359600000).

61436510324 is an abundant number, since it is smaller than the sum of its proper divisors (73282689676).

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

61436510324 is a wasteful number, since it uses less digits than its factorization.

61436510324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 61436510324 in words is "sixty-one billion, four hundred thirty-six million, five hundred ten thousand, three hundred twenty-four".