2401597440 has 576 divisors, whose sum is σ = 9566968320. Its totient is φ = 551485440.

The previous prime is 2401597433. The next prime is 2401597453. The reversal of 2401597440 is 447951042.

It is a happy number.

2401597440 is a `hidden beast` number, since 24 + 0 + 1 + 597 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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 = 2401597395 and 2401597404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23316429 + ... + 23316531.

It is an arithmetic number, because the mean of its divisors is an integer number (16609320).

Almost surely, 2^2401597440 is an apocalyptic number.

2401597440 is a gapful number since it is divisible by the number (20) 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 2401597440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4783484160).

2401597440 is an abundant number, since it is smaller than the sum of its proper divisors (7165370880).

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

2401597440 is a wasteful number, since it uses less digits than its factorization.

2401597440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2401597440 is about 49006.0959473411. The cubic root of 2401597440 is about 1339.1628839977.

The spelling of 2401597440 in words is "two billion, four hundred one million, five hundred ninety-seven thousand, four hundred forty".