1940986547970 has 32 divisors (see below), whose sum is σ = 4658405368320. Its totient is φ = 517592229120.

The previous prime is 1940986547957. The next prime is 1940986547989. The reversal of 1940986547970 is 797456890491.

It is a super-2 number, since 2×1940986547970² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1940986547895 and 1940986547904.

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, 5865391 + ... + 6187469.

It is an arithmetic number, because the mean of its divisors is an integer number (145575167760).

Almost surely, 2^{1940986547970} is an apocalyptic number.

1940986547970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940986547970 is an abundant number, since it is smaller than the sum of its proper divisors (2717418820350).

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

1940986547970 is a wasteful number, since it uses less digits than its factorization.

1940986547970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522970.

The product of its (nonzero) digits is 137168640, while the sum is 69.

The spelling of 1940986547970 in words is "one trillion, nine hundred forty billion, nine hundred eighty-six million, five hundred forty-seven thousand, nine hundred seventy".