23038225440 has 48 divisors (see below), whose sum is σ = 72570411648. Its totient is φ = 6143526656.

The previous prime is 23038225429. The next prime is 23038225459. The reversal of 23038225440 is 4452283032.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23997672 + ... + 23998631.

It is an arithmetic number, because the mean of its divisors is an integer number (1511883576).

Almost surely, 2^23038225440 is an apocalyptic number.

23038225440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23038225440 is an abundant number, since it is smaller than the sum of its proper divisors (49532186208).

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

23038225440 is a wasteful number, since it uses less digits than its factorization.

23038225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47996321 (or 47996313 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 23038225440 in words is "twenty-three billion, thirty-eight million, two hundred twenty-five thousand, four hundred forty".