61452078840264 has 64 divisors (see below), whose sum is σ = 175623176730240. Its totient is φ = 17553155950080.

The previous prime is 61452078840247. The next prime is 61452078840283. The reversal of 61452078840264 is 46204887025416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47071447 + ... + 48359334.

It is an arithmetic number, because the mean of its divisors is an integer number (2744112136410).

Almost surely, 2^{61452078840264} is an apocalyptic number.

It is an amenable number.

61452078840264 is an abundant number, since it is smaller than the sum of its proper divisors (114171097889976).

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

61452078840264 is a wasteful number, since it uses less digits than its factorization.

61452078840264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95434630 (or 95434626 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 61452078840264 in words is "sixty-one trillion, four hundred fifty-two billion, seventy-eight million, eight hundred forty thousand, two hundred sixty-four".