61233456790 has 32 divisors (see below), whose sum is σ = 124386464160. Its totient is φ = 21498892800.

The previous prime is 61233456737. The next prime is 61233456793. The reversal of 61233456790 is 9765433216.

It is a self number, because there is not a number n which added to its sum of digits gives 61233456790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233456793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9594531 + ... + 9600910.

It is an arithmetic number, because the mean of its divisors is an integer number (3887077005).

Almost surely, 2^61233456790 is an apocalyptic number.

61233456790 is an abundant number, since it is smaller than the sum of its proper divisors (63153007370).

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

61233456790 is a wasteful number, since it uses less digits than its factorization.

61233456790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19195488.

The product of its (nonzero) digits is 816480, while the sum is 46.

It can be divided in two parts, 612334 and 56790, that added together give a square (669124 = 818²).

The spelling of 61233456790 in words is "sixty-one billion, two hundred thirty-three million, four hundred fifty-six thousand, seven hundred ninety".