1154435340 has 24 divisors (see below), whose sum is σ = 3232419120. Its totient is φ = 307849408.

The previous prime is 1154435333. The next prime is 1154435357. The reversal of 1154435340 is 435344511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1154435298 and 1154435307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9620235 + ... + 9620354.

It is an arithmetic number, because the mean of its divisors is an integer number (134684130).

Almost surely, 2^1154435340 is an apocalyptic number.

1154435340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154435340 is an abundant number, since it is smaller than the sum of its proper divisors (2077983780).

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

1154435340 is a wasteful number, since it uses less digits than its factorization.

1154435340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19240601 (or 19240599 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1154435340 is about 33976.9825028651. The cubic root of 1154435340 is about 1049.0347410328.

Adding to 1154435340 its reverse (435344511), we get a palindrome (1589779851).

The spelling of 1154435340 in words is "one billion, one hundred fifty-four million, four hundred thirty-five thousand, three hundred forty".