61335552340 has 12 divisors (see below), whose sum is σ = 128804659956. Its totient is φ = 24534220928.

The previous prime is 61335552329. The next prime is 61335552359. The reversal of 61335552340 is 4325553316.

It can be written as a sum of positive squares in 2 ways, for example, as 15095071044 + 46240481296 = 122862^2 + 215036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61335552340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533388789 + ... + 1533388828.

It is an arithmetic number, because the mean of its divisors is an integer number (10733721663).

Almost surely, 2^61335552340 is an apocalyptic number.

It is an amenable number.

61335552340 is an abundant number, since it is smaller than the sum of its proper divisors (67469107616).

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

61335552340 is a wasteful number, since it uses less digits than its factorization.

61335552340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066777626 (or 3066777624 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 61335552340 in words is "sixty-one billion, three hundred thirty-five million, five hundred fifty-two thousand, three hundred forty".