38402223045340 has 72 divisors (see below), whose sum is σ = 102339430793712. Its totient is φ = 11969524062720.

The previous prime is 38402223045323. The next prime is 38402223045383. The reversal of 38402223045340 is 4354032220483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38402223045293 and 38402223045302.

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, 1781168397 + ... + 1781189956.

It is an arithmetic number, because the mean of its divisors is an integer number (1421380983246).

Almost surely, 2^{38402223045340} is an apocalyptic number.

It is an amenable number.

38402223045340 is an abundant number, since it is smaller than the sum of its proper divisors (63937207748372).

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

38402223045340 is a wasteful number, since it uses less digits than its factorization.

38402223045340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562358387 (or 3562358378 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 38402223045340 in words is "thirty-eight trillion, four hundred two billion, two hundred twenty-three million, forty-five thousand, three hundred forty".