1120451440 has 40 divisors (see below), whose sum is σ = 2718317088. Its totient is φ = 428693760.

The previous prime is 1120451411. The next prime is 1120451441. The reversal of 1120451440 is 441540211.

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

It is a super-2 number, since 2×1120451440² = 2510822858796147200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120451441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302631 + ... + 306310.

Almost surely, 2^1120451440 is an apocalyptic number.

1120451440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120451440 is an abundant number, since it is smaller than the sum of its proper divisors (1597865648).

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

1120451440 is a wasteful number, since it uses less digits than its factorization.

1120451440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608977 (or 608971 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1120451440 is about 33473.1450568960. The cubic root of 1120451440 is about 1038.6383313620.

Adding to 1120451440 its reverse (441540211), we get a palindrome (1561991651).

The spelling of 1120451440 in words is "one billion, one hundred twenty million, four hundred fifty-one thousand, four hundred forty".