1964625276 has 24 divisors (see below), whose sum is σ = 4587531984. Its totient is φ = 654388480.

The previous prime is 1964625233. The next prime is 1964625283. The reversal of 1964625276 is 6725264691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43815 + ... + 76478.

It is an arithmetic number, because the mean of its divisors is an integer number (191147166).

Almost surely, 2^1964625276 is an apocalyptic number.

It is an amenable number.

1964625276 is an abundant number, since it is smaller than the sum of its proper divisors (2622906708).

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

1964625276 is a wasteful number, since it uses less digits than its factorization.

1964625276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121661 (or 121659 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 1964625276 is about 44324.0936286350. The cubic root of 1964625276 is about 1252.4485925969.

The spelling of 1964625276 in words is "one billion, nine hundred sixty-four million, six hundred twenty-five thousand, two hundred seventy-six".