1240382598 has 96 divisors (see below), whose sum is σ = 3153666816. Its totient is φ = 318225024.

The previous prime is 1240382597. The next prime is 1240382621. The reversal of 1240382598 is 8952830421.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240382597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260265 + ... + 264987.

It is an arithmetic number, because the mean of its divisors is an integer number (32850696).

Almost surely, 2^1240382598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240382598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576833408).

1240382598 is an abundant number, since it is smaller than the sum of its proper divisors (1913284218).

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

1240382598 is a wasteful number, since it uses less digits than its factorization.

1240382598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1240382598 is about 35219.0658308820. The cubic root of 1240382598 is about 1074.4475540392.

The spelling of 1240382598 in words is "one billion, two hundred forty million, three hundred eighty-two thousand, five hundred ninety-eight".