38778196055950 has 48 divisors (see below), whose sum is σ = 78739760551536. Its totient is φ = 14121964742400.

The previous prime is 38778196055917. The next prime is 38778196055953. The reversal of 38778196055950 is 5955069187783.

It is a super-2 number, since 2×38778196055950² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38778196055953) 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, 408574216 + ... + 408669115.

It is an arithmetic number, because the mean of its divisors is an integer number (1640411678157).

Almost surely, 2^{38778196055950} is an apocalyptic number.

38778196055950 is an abundant number, since it is smaller than the sum of its proper divisors (39961564495586).

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

38778196055950 is a wasteful number, since it uses less digits than its factorization.

38778196055950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817243429 (or 817243424 counting only the distinct ones).

The product of its (nonzero) digits is 571536000, while the sum is 73.

The spelling of 38778196055950 in words is "thirty-eight trillion, seven hundred seventy-eight billion, one hundred ninety-six million, fifty-five thousand, nine hundred fifty".