1051343040 has 112 divisors (see below), whose sum is σ = 3641506560. Its totient is φ = 254868480.

The previous prime is 1051342997. The next prime is 1051343057. The reversal of 1051343040 is 403431501.

It is a super-2 number, since 2×1051343040² = 2210644375512883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051342998 and 1051343016.

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, 39220 + ... + 60339.

Almost surely, 2^1051343040 is an apocalyptic number.

1051343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051343040 is an abundant number, since it is smaller than the sum of its proper divisors (2590163520).

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

1051343040 is a wasteful number, since it uses less digits than its factorization.

1051343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99590 (or 99580 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1051343040 is about 32424.4204265859. The cubic root of 1051343040 is about 1016.8295248676.

Adding to 1051343040 its reverse (403431501), we get a palindrome (1454774541).

The spelling of 1051343040 in words is "one billion, fifty-one million, three hundred forty-three thousand, forty".