1940211701670 has 64 divisors (see below), whose sum is σ = 5087678916096. Its totient is φ = 469627322880.

The previous prime is 1940211701641. The next prime is 1940211701689. The reversal of 1940211701670 is 761071120491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4330099 + ... + 4757118.

It is an arithmetic number, because the mean of its divisors is an integer number (79494983064).

Almost surely, 2^{1940211701670} is an apocalyptic number.

1940211701670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940211701670 is an abundant number, since it is smaller than the sum of its proper divisors (3147467214426).

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

1940211701670 is a wasteful number, since it uses less digits than its factorization.

1940211701670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087885.

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 1940211701670 in words is "one trillion, nine hundred forty billion, two hundred eleven million, seven hundred one thousand, six hundred seventy".