1054745640 has 96 divisors (see below), whose sum is σ = 3691626120. Its totient is φ = 259628544.

The previous prime is 1054745621. The next prime is 1054745641. The reversal of 1054745640 is 465474501.

1054745640 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 7 + 4 + 5 + 640 = 666.

1054745640 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 4 ways, for example, as 747584964 + 307160676 = 27342^2 + 17526^2 .

It is a super-2 number, since 2×1054745640² = 2224976730198019200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1054745595 and 1054745604.

It is not an unprimeable number, because it can be changed into a prime (1054745641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108007 + ... + 117366.

Almost surely, 2^1054745640 is an apocalyptic number.

1054745640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054745640 is an abundant number, since it is smaller than the sum of its proper divisors (2636880480).

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

1054745640 is a wasteful number, since it uses less digits than its factorization.

1054745640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225403 (or 225396 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1054745640 is about 32476.8477534381. The cubic root of 1054745640 is about 1017.9253100264.

The spelling of 1054745640 in words is "one billion, fifty-four million, seven hundred forty-five thousand, six hundred forty".