383481405520 has 40 divisors (see below), whose sum is σ = 920355379200. Its totient is φ = 148444414080.

The previous prime is 383481405509. The next prime is 383481405557. The reversal of 383481405520 is 25504184383.

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

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, 77312320 + ... + 77317279.

It is an arithmetic number, because the mean of its divisors is an integer number (23008884480).

Almost surely, 2^383481405520 is an apocalyptic number.

It is an amenable number.

383481405520 is an abundant number, since it is smaller than the sum of its proper divisors (536873973680).

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

383481405520 is a wasteful number, since it uses less digits than its factorization.

383481405520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154629643 (or 154629637 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 383481405520 in words is "three hundred eighty-three billion, four hundred eighty-one million, four hundred five thousand, five hundred twenty".