38790431448648 has 96 divisors (see below), whose sum is σ = 112203727490400. Its totient is φ = 11136009012480.

The previous prime is 38790431448647. The next prime is 38790431448763. The reversal of 38790431448648 is 84684413409783.

It is a super-2 number, since 2×38790431448648² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38790431448647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351460261 + ... + 351570612.

It is an arithmetic number, because the mean of its divisors is an integer number (1168788828025).

Almost surely, 2^{38790431448648} is an apocalyptic number.

38790431448648 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38790431448648 is an abundant number, since it is smaller than the sum of its proper divisors (73413296041752).

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

38790431448648 is a wasteful number, since it uses less digits than its factorization.

38790431448648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703030923 (or 703030908 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 69.

The spelling of 38790431448648 in words is "thirty-eight trillion, seven hundred ninety billion, four hundred thirty-one million, four hundred forty-eight thousand, six hundred forty-eight".