1930261272 has 64 divisors (see below), whose sum is σ = 4933716480. Its totient is φ = 629096832.

The previous prime is 1930261259. The next prime is 1930261301. The reversal of 1930261272 is 2721620391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388033 + ... + 392975.

It is an arithmetic number, because the mean of its divisors is an integer number (77089320).

Almost surely, 2^1930261272 is an apocalyptic number.

1930261272 is a gapful number since it is divisible by the number (12) 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 1930261272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466858240).

1930261272 is an abundant number, since it is smaller than the sum of its proper divisors (3003455208).

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

1930261272 is a wasteful number, since it uses less digits than its factorization.

1930261272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1930261272 is about 43934.7387837916. The cubic root of 1930261272 is about 1245.1032471915.

The spelling of 1930261272 in words is "one billion, nine hundred thirty million, two hundred sixty-one thousand, two hundred seventy-two".