2401320040 has 64 divisors (see below), whose sum is σ = 6538060800. Its totient is φ = 774878208.

The previous prime is 2401320013. The next prime is 2401320043. The reversal of 2401320040 is 400231042.

It is a junction number, because it is equal to n+sod(n) for n = 2401319996 and 2401320023.

It is not an unprimeable number, because it can be changed into a prime (2401320043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247480 + ... + 256999.

It is an arithmetic number, because the mean of its divisors is an integer number (102157200).

Almost surely, 2^2401320040 is an apocalyptic number.

2401320040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401320040 is an abundant number, since it is smaller than the sum of its proper divisors (4136740760).

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

2401320040 is a wasteful number, since it uses less digits than its factorization.

2401320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504514 (or 504510 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2401320040 is about 49003.2656054676. The cubic root of 2401320040 is about 1339.1113213611. Note that the first 3 decimals are identical.

Adding to 2401320040 its reverse (400231042), we get a palindrome (2801551082).

The spelling of 2401320040 in words is "two billion, four hundred one million, three hundred twenty thousand, forty".