1130435440 has 40 divisors (see below), whose sum is σ = 2629662048. Its totient is φ = 451933440.

The previous prime is 1130435437. The next prime is 1130435461. The reversal of 1130435440 is 445340311.

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

It is a super-3 number, since 3×1130435440³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 287085 + ... + 290995.

Almost surely, 2^1130435440 is an apocalyptic number.

1130435440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130435440 is an abundant number, since it is smaller than the sum of its proper divisors (1499226608).

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

1130435440 is a wasteful number, since it uses less digits than its factorization.

1130435440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1130435440 is about 33621.9487834956. The cubic root of 1130435440 is about 1041.7142094425.

Adding to 1130435440 its reverse (445340311), we get a palindrome (1575775751).

The spelling of 1130435440 in words is "one billion, one hundred thirty million, four hundred thirty-five thousand, four hundred forty".