1234797040 has 80 divisors (see below), whose sum is σ = 3048769152. Its totient is φ = 463491072.

The previous prime is 1234796977. The next prime is 1234797077. The reversal of 1234797040 is 407974321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 538777 + ... + 541063.

Almost surely, 2^1234797040 is an apocalyptic number.

1234797040 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 1234797040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524384576).

1234797040 is an abundant number, since it is smaller than the sum of its proper divisors (1813972112).

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

1234797040 is a wasteful number, since it uses less digits than its factorization.

1234797040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1234797040 is about 35139.6789968264. The cubic root of 1234797040 is about 1072.8323481032.

The spelling of 1234797040 in words is "one billion, two hundred thirty-four million, seven hundred ninety-seven thousand, forty".