1905097174940 has 12 divisors (see below), whose sum is σ = 4000704067416. Its totient is φ = 762038869968.

The previous prime is 1905097174933. The next prime is 1905097174997. The reversal of 1905097174940 is 494717905091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47627429354 + ... + 47627429393.

It is an arithmetic number, because the mean of its divisors is an integer number (333392005618).

Almost surely, 2^{1905097174940} is an apocalyptic number.

1905097174940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1905097174940 is an abundant number, since it is smaller than the sum of its proper divisors (2095606892476).

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

1905097174940 is a wasteful number, since it uses less digits than its factorization.

1905097174940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95254858756 (or 95254858754 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 1905097174940 in words is "one trillion, nine hundred five billion, ninety-seven million, one hundred seventy-four thousand, nine hundred forty".