1051054040 has 16 divisors (see below), whose sum is σ = 2364871680. Its totient is φ = 420421600.

The previous prime is 1051054033. The next prime is 1051054049. The reversal of 1051054040 is 404501501.

It is a super-2 number, since 2×1051054040² = 2209429190000643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051054049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138136 + ... + 13138215.

It is an arithmetic number, because the mean of its divisors is an integer number (147804480).

Almost surely, 2^1051054040 is an apocalyptic number.

1051054040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051054040 is an abundant number, since it is smaller than the sum of its proper divisors (1313817640).

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

1051054040 is a wasteful number, since it uses less digits than its factorization.

1051054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26276362 (or 26276358 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1051054040 is about 32419.9636026939. The cubic root of 1051054040 is about 1016.7363454289.

Adding to 1051054040 its reverse (404501501), we get a palindrome (1455555541).

The spelling of 1051054040 in words is "one billion, fifty-one million, fifty-four thousand, forty".