38313097640 has 32 divisors (see below), whose sum is σ = 86481682560. Its totient is φ = 15275956800.

The previous prime is 38313097621. The next prime is 38313097643. The reversal of 38313097640 is 4679031383.

It is a junction number, because it is equal to n+sod(n) for n = 38313097591 and 38313097600.

It is not an unprimeable number, because it can be changed into a prime (38313097643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527476 + ... + 1552355.

It is an arithmetic number, because the mean of its divisors is an integer number (2702552580).

Almost surely, 2^38313097640 is an apocalyptic number.

It is an amenable number.

38313097640 is an abundant number, since it is smaller than the sum of its proper divisors (48168584920).

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

38313097640 is a wasteful number, since it uses less digits than its factorization.

38313097640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080153 (or 3080149 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 38313097640 in words is "thirty-eight billion, three hundred thirteen million, ninety-seven thousand, six hundred forty".