1894167908340 has 48 divisors (see below), whose sum is σ = 5304832213632. Its totient is φ = 505000768896.

The previous prime is 1894167908309. The next prime is 1894167908363. The reversal of 1894167908340 is 438097614981.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3182239 + ... + 3730278.

It is an arithmetic number, because the mean of its divisors is an integer number (110517337784).

Almost surely, 2^{1894167908340} is an apocalyptic number.

1894167908340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1894167908340 is an abundant number, since it is smaller than the sum of its proper divisors (3410664305292).

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

1894167908340 is a wasteful number, since it uses less digits than its factorization.

1894167908340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917096 (or 6917094 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 1894167908340 in words is "one trillion, eight hundred ninety-four billion, one hundred sixty-seven million, nine hundred eight thousand, three hundred forty".