61026457930 has 8 divisors (see below), whose sum is σ = 109847624292. Its totient is φ = 24410583168.

The previous prime is 61026457901. The next prime is 61026457937. The reversal of 61026457930 is 3975462016.

It can be written as a sum of positive squares in 2 ways, for example, as 55772962569 + 5253495361 = 236163^2 + 72481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61026457937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051322887 + ... + 3051322906.

Almost surely, 2^61026457930 is an apocalyptic number.

61026457930 is a deficient number, since it is larger than the sum of its proper divisors (48821166362).

61026457930 is a wasteful number, since it uses less digits than its factorization.

61026457930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102645800.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 61026457930 in words is "sixty-one billion, twenty-six million, four hundred fifty-seven thousand, nine hundred thirty".