1155434496 has 96 divisors (see below), whose sum is σ = 3100406400. Its totient is φ = 382648320.

The previous prime is 1155434491. The next prime is 1155434507. The reversal of 1155434496 is 6944345511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1155434491) 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, 1111545 + ... + 1112583.

It is an arithmetic number, because the mean of its divisors is an integer number (32295900).

Almost surely, 2^1155434496 is an apocalyptic number.

1155434496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155434496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550203200).

1155434496 is an abundant number, since it is smaller than the sum of its proper divisors (1944971904).

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

1155434496 is a wasteful number, since it uses less digits than its factorization.

1155434496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1225 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 1155434496 is about 33991.6827474016. The cubic root of 1155434496 is about 1049.3372979268.

The spelling of 1155434496 in words is "one billion, one hundred fifty-five million, four hundred thirty-four thousand, four hundred ninety-six".