1051441040 has 40 divisors (see below), whose sum is σ = 2632649208. Its totient is φ = 388224000.

The previous prime is 1051441037. The next prime is 1051441051. The reversal of 1051441040 is 401441501.

It can be written as a sum of positive squares in 4 ways, for example, as 48832144 + 1002608896 = 6988^2 + 31664^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1051441040² = 2211056521192563200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504461 + ... + 506540.

Almost surely, 2^1051441040 is an apocalyptic number.

1051441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051441040 is an abundant number, since it is smaller than the sum of its proper divisors (1581208168).

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

1051441040 is a wasteful number, since it uses less digits than its factorization.

1051441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011027 (or 1011021 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1051441040 is about 32425.9315980281. The cubic root of 1051441040 is about 1016.8611181705.

Adding to 1051441040 its reverse (401441501), we get a palindrome (1452882541).

The spelling of 1051441040 in words is "one billion, fifty-one million, four hundred forty-one thousand, forty".