1956792140 has 48 divisors (see below), whose sum is σ = 4579999200. Its totient is φ = 697900032.

The previous prime is 1956792133. The next prime is 1956792143. The reversal of 1956792140 is 412976591.

It is a junction number, because it is equal to n+sod(n) for n = 1956792091 and 1956792100.

It is not an unprimeable number, because it can be changed into a prime (1956792143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144995 + ... + 157914.

It is an arithmetic number, because the mean of its divisors is an integer number (95416650).

Almost surely, 2^1956792140 is an apocalyptic number.

1956792140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1956792140 is an abundant number, since it is smaller than the sum of its proper divisors (2623207060).

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

1956792140 is a wasteful number, since it uses less digits than its factorization.

1956792140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302954 (or 302952 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1956792140 is about 44235.6433207431. The cubic root of 1956792140 is about 1250.7818340864.

The spelling of 1956792140 in words is "one billion, nine hundred fifty-six million, seven hundred ninety-two thousand, one hundred forty".