1195471440 has 160 divisors (see below), whose sum is σ = 4218480000. Its totient is φ = 310993920.

The previous prime is 1195471429. The next prime is 1195471463. The reversal of 1195471440 is 441745911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1195471395 and 1195471404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81811 + ... + 95309.

It is an arithmetic number, because the mean of its divisors is an integer number (26365500).

Almost surely, 2^1195471440 is an apocalyptic number.

1195471440 is a gapful number since it is divisible by the number (10) 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 1195471440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109240000).

1195471440 is an abundant number, since it is smaller than the sum of its proper divisors (3023008560).

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

1195471440 is a wasteful number, since it uses less digits than its factorization.

1195471440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562 (or 13550 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1195471440 is about 34575.5902335737. The cubic root of 1195471440 is about 1061.3201304652.

It can be divided in two parts, 1195471 and 440, that added together give a palindrome (1195911).

The spelling of 1195471440 in words is "one billion, one hundred ninety-five million, four hundred seventy-one thousand, four hundred forty".