195400474038 has 384 divisors, whose sum is σ = 567392256000. Its totient is φ = 48416097600.

The previous prime is 195400474013. The next prime is 195400474127. The reversal of 195400474038 is 830474004591.

195400474038 is a `hidden beast` number, since 1 + 9 + 540 + 0 + 4 + 74 + 0 + 38 = 666.

It is a super-2 number, since 2×195400474038² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195400473984 and 195400474002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 315670893 + ... + 315671511.

It is an arithmetic number, because the mean of its divisors is an integer number (1477584000).

Almost surely, 2^195400474038 is an apocalyptic number.

195400474038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195400474038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283696128000).

195400474038 is an abundant number, since it is smaller than the sum of its proper divisors (371991781962).

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

195400474038 is a wasteful number, since it uses less digits than its factorization.

195400474038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 195400474038 in words is "one hundred ninety-five billion, four hundred million, four hundred seventy-four thousand, thirty-eight".