1970190940 has 48 divisors (see below), whose sum is σ = 4358985120. Its totient is φ = 745943040.

The previous prime is 1970190931. The next prime is 1970190949. The reversal of 1970190940 is 490910791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1970190931) and next prime (1970190949).

It is a junction number, because it is equal to n+sod(n) for n = 1970190893 and 1970190902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970190949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862600 + ... + 864880.

It is an arithmetic number, because the mean of its divisors is an integer number (90812190).

Almost surely, 2^1970190940 is an apocalyptic number.

1970190940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1970190940 is an abundant number, since it is smaller than the sum of its proper divisors (2388794180).

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

1970190940 is a wasteful number, since it uses less digits than its factorization.

1970190940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582 (or 4580 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1970190940 is about 44386.8329575337. The cubic root of 1970190940 is about 1253.6301810892.

The spelling of 1970190940 in words is "one billion, nine hundred seventy million, one hundred ninety thousand, nine hundred forty".