2023619640 has 96 divisors (see below), whose sum is σ = 7062040080. Its totient is φ = 462540288.

The previous prime is 2023619621. The next prime is 2023619671. The reversal of 2023619640 is 469163202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166197 + ... + 177956.

Almost surely, 2^2023619640 is an apocalyptic number.

2023619640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023619640 is an abundant number, since it is smaller than the sum of its proper divisors (5038420440).

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

2023619640 is a wasteful number, since it uses less digits than its factorization.

2023619640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344181 (or 344170 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2023619640 is about 44984.6600520666. The cubic root of 2023619640 is about 1264.8614657668.

The spelling of 2023619640 in words is "two billion, twenty-three million, six hundred nineteen thousand, six hundred forty".