61042308508240 has 80 divisors (see below), whose sum is σ = 142544950039296. Its totient is φ = 24310061120000.

The previous prime is 61042308508183. The next prime is 61042308508271. The reversal of 61042308508240 is 4280580324016.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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, 50465730 + ... + 51661150.

Almost surely, 2^{61042308508240} is an apocalyptic number.

It is an amenable number.

61042308508240 is an abundant number, since it is smaller than the sum of its proper divisors (81502641531056).

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

61042308508240 is a wasteful number, since it uses less digits than its factorization.

61042308508240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198228 (or 1198222 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 61042308508240 in words is "sixty-one trillion, forty-two billion, three hundred eight million, five hundred eight thousand, two hundred forty".