1951052928 has 128 divisors (see below), whose sum is σ = 5696006400. Its totient is φ = 586798080.

The previous prime is 1951052899. The next prime is 1951052953. The reversal of 1951052928 is 8292501591.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1951052928.

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, 585475 + ... + 588797.

It is an arithmetic number, because the mean of its divisors is an integer number (44500050).

Almost surely, 2^1951052928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1951052928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848003200).

1951052928 is an abundant number, since it is smaller than the sum of its proper divisors (3744953472).

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

1951052928 is a wasteful number, since it uses less digits than its factorization.

1951052928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 1951052928 is about 44170.7247846354. The cubic root of 1951052928 is about 1249.5578015602.

The spelling of 1951052928 in words is "one billion, nine hundred fifty-one million, fifty-two thousand, nine hundred twenty-eight".