1234255040 has 56 divisors (see below), whose sum is σ = 2952079440. Its totient is φ = 491516928.

The previous prime is 1234255027. The next prime is 1234255073. The reversal of 1234255040 is 405524321.

It is a happy 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, 64859 + ... + 81701.

Almost surely, 2^1234255040 is an apocalyptic number.

1234255040 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 1234255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476039720).

1234255040 is an abundant number, since it is smaller than the sum of its proper divisors (1717824400).

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

1234255040 is a wasteful number, since it uses less digits than its factorization.

1234255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089 (or 17079 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1234255040 is about 35131.9660708022. The cubic root of 1234255040 is about 1072.6753559790.

Adding to 1234255040 its reverse (405524321), we get a palindrome (1639779361).

The spelling of 1234255040 in words is "one billion, two hundred thirty-four million, two hundred fifty-five thousand, forty".