2451642632 has 8 divisors (see below), whose sum is σ = 4596829950. Its totient is φ = 1225821312.

The previous prime is 2451642581. The next prime is 2451642649. The reversal of 2451642632 is 2362461542.

It can be written as a sum of positive squares in only one way, i.e., 2302656196 + 148986436 = 47986^2 + 12206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2451642592 and 2451642601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153227657 + ... + 153227672.

Almost surely, 2^2451642632 is an apocalyptic number.

It is an amenable number.

2451642632 is a deficient number, since it is larger than the sum of its proper divisors (2145187318).

2451642632 is a wasteful number, since it uses less digits than its factorization.

2451642632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306455335 (or 306455331 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 2451642632 is about 49514.0649916769. The cubic root of 2451642632 is about 1348.4009658165.

The spelling of 2451642632 in words is "two billion, four hundred fifty-one million, six hundred forty-two thousand, six hundred thirty-two".