1612780260 has 192 divisors, whose sum is σ = 5629747200. Its totient is φ = 335881728.

The previous prime is 1612780193. The next prime is 1612780261. The reversal of 1612780260 is 620872161.

It is not an unprimeable number, because it can be changed into a prime (1612780261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 429471 + ... + 433209.

It is an arithmetic number, because the mean of its divisors is an integer number (29321600).

Almost surely, 2^1612780260 is an apocalyptic number.

1612780260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612780260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2814873600).

1612780260 is an abundant number, since it is smaller than the sum of its proper divisors (4016966940).

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

1612780260 is a wasteful number, since it uses less digits than its factorization.

1612780260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1612780260 is about 40159.4355040008. The cubic root of 1612780260 is about 1172.7129825575.

The spelling of 1612780260 in words is "one billion, six hundred twelve million, seven hundred eighty thousand, two hundred sixty".