38851490845378 has 32 divisors (see below), whose sum is σ = 63962312878080. Its totient is φ = 17619247994880.

The previous prime is 38851490845339. The next prime is 38851490845379. The reversal of 38851490845378 is 87354809415883.

It is a happy number.

It is a super-2 number, since 2×38851490845378² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38851490845378.

It is not an unprimeable number, because it can be changed into a prime (38851490845379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76863151 + ... + 77366962.

It is an arithmetic number, because the mean of its divisors is an integer number (1998822277440).

Almost surely, 2^{38851490845378} is an apocalyptic number.

38851490845378 is a deficient number, since it is larger than the sum of its proper divisors (25110822032702).

38851490845378 is a wasteful number, since it uses less digits than its factorization.

38851490845378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154230402.

The product of its (nonzero) digits is 928972800, while the sum is 73.

The spelling of 38851490845378 in words is "thirty-eight trillion, eight hundred fifty-one billion, four hundred ninety million, eight hundred forty-five thousand, three hundred seventy-eight".