1956747632 has 160 divisors (see below), whose sum is σ = 4703698944. Its totient is φ = 770457600.

The previous prime is 1956747631. The next prime is 1956747643. The reversal of 1956747632 is 2367476591.

It is a super-2 number, since 2×1956747632² = 7657722590675214848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956747631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10244657 + ... + 10244847.

Almost surely, 2^1956747632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1956747632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351849472).

1956747632 is an abundant number, since it is smaller than the sum of its proper divisors (2746951312).

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

1956747632 is a wasteful number, since it uses less digits than its factorization.

1956747632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 361 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 1956747632 is about 44235.1402394070. The cubic root of 1956747632 is about 1250.7723508411.

The spelling of 1956747632 in words is "one billion, nine hundred fifty-six million, seven hundred forty-seven thousand, six hundred thirty-two".