61442970380330 has 64 divisors (see below), whose sum is σ = 141614293047552. Its totient is φ = 18633459594240.

The previous prime is 61442970380243. The next prime is 61442970380413. The reversal of 61442970380330 is 3308307924416.

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, 1078296719 + ... + 1078353698.

It is an arithmetic number, because the mean of its divisors is an integer number (2212723328868).

Almost surely, 2^{61442970380330} is an apocalyptic number.

61442970380330 is an abundant number, since it is smaller than the sum of its proper divisors (80171322667222).

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

61442970380330 is a wasteful number, since it uses less digits than its factorization.

61442970380330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156650479.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 61442970380330 in words is "sixty-one trillion, four hundred forty-two billion, nine hundred seventy million, three hundred eighty thousand, three hundred thirty".