2401585494 has 144 divisors (see below), whose sum is σ = 6182572032. Its totient is φ = 608731200.

The previous prime is 2401585489. The next prime is 2401585499. The reversal of 2401585494 is 4945851042.

It is an interprime number because it is at equal distance from previous prime (2401585489) and next prime (2401585499).

It is a super-2 number, since 2×2401585494² = 11535225769982448072, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401585499) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18910059 + ... + 18910185.

It is an arithmetic number, because the mean of its divisors is an integer number (42934528).

Almost surely, 2^2401585494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2401585494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091286016).

2401585494 is an abundant number, since it is smaller than the sum of its proper divisors (3780986538).

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

2401585494 is a wasteful number, since it uses less digits than its factorization.

2401585494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2401585494 is about 49005.9740643934. The cubic root of 2401585494 is about 1339.1606635775.

The spelling of 2401585494 in words is "two billion, four hundred one million, five hundred eighty-five thousand, four hundred ninety-four".