61452307026 has 36 divisors (see below), whose sum is σ = 146351298366. Its totient is φ = 18621910560.

The previous prime is 61452307019. The next prime is 61452307027. The reversal of 61452307026 is 62070325416.

61452307026 is a `hidden beast` number, since 61 + 4 + 523 + 0 + 70 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59682001401 + 1770305625 = 244299^2 + 42075^2 .

It is not an unprimeable number, because it can be changed into a prime (61452307027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14105331 + ... + 14109686.

Almost surely, 2^61452307026 is an apocalyptic number.

61452307026 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61452307026 is an abundant number, since it is smaller than the sum of its proper divisors (84898991340).

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

61452307026 is a wasteful number, since it uses less digits than its factorization.

61452307026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28215047 (or 28215033 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 61452307026 in words is "sixty-one billion, four hundred fifty-two million, three hundred seven thousand, twenty-six".