2023401440 has 48 divisors (see below), whose sum is σ = 4784073840. Its totient is φ = 808719360.

The previous prime is 2023401433. The next prime is 2023401463. The reversal of 2023401440 is 441043202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232691 + ... + 241229.

It is an arithmetic number, because the mean of its divisors is an integer number (99668205).

Almost surely, 2^2023401440 is an apocalyptic number.

2023401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023401440 is an abundant number, since it is smaller than the sum of its proper divisors (2760672400).

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

2023401440 is a wasteful number, since it uses less digits than its factorization.

2023401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035 (or 10027 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2023401440 is about 44982.2347154963. The cubic root of 2023401440 is about 1264.8160022342.

Adding to 2023401440 its reverse (441043202), we get a palindrome (2464444642).

The spelling of 2023401440 in words is "two billion, twenty-three million, four hundred one thousand, four hundred forty".