1054278864 has 60 divisors (see below), whose sum is σ = 2969373316. Its totient is φ = 349180416.

The previous prime is 1054278791. The next prime is 1054278881. The reversal of 1054278864 is 4688724501.

1054278864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 285880464 + 768398400 = 16908^2 + 27720^2 .

It is a super-2 number, since 2×1054278864² = 2223007846154260992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709 + ... + 45924.

Almost surely, 2^1054278864 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 1054278864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484686658).

1054278864 is an abundant number, since it is smaller than the sum of its proper divisors (1915094452).

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

1054278864 is a wasteful number, since it uses less digits than its factorization.

1054278864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46804 (or 46795 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1054278864 is about 32469.6606696159. The cubic root of 1054278864 is about 1017.7751274626.

The spelling of 1054278864 in words is "one billion, fifty-four million, two hundred seventy-eight thousand, eight hundred sixty-four".