20230415440 has 40 divisors (see below), whose sum is σ = 49080751488. Its totient is φ = 7740332160.

The previous prime is 20230415407. The next prime is 20230415449. The reversal of 20230415440 is 4451403202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230415449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495556 + ... + 5499235.

Almost surely, 2^20230415440 is an apocalyptic number.

20230415440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20230415440 is an abundant number, since it is smaller than the sum of its proper divisors (28850336048).

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

20230415440 is a wasteful number, since it uses less digits than its factorization.

20230415440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994827 (or 10994821 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20230415440 its reverse (4451403202), we get a palindrome (24681818642).

The spelling of 20230415440 in words is "twenty billion, two hundred thirty million, four hundred fifteen thousand, four hundred forty".