1634542752 has 48 divisors (see below), whose sum is σ = 4315520160. Its totient is φ = 541692672.

The previous prime is 1634542717. The next prime is 1634542757. The reversal of 1634542752 is 2572454361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1634542752.

It is not an unprimeable number, because it can be changed into a prime (1634542757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32602 + ... + 65817.

It is an arithmetic number, because the mean of its divisors is an integer number (89906670).

Almost surely, 2^1634542752 is an apocalyptic number.

1634542752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1634542752 is an abundant number, since it is smaller than the sum of its proper divisors (2680977408).

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

1634542752 is a wasteful number, since it uses less digits than its factorization.

1634542752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98605 (or 98597 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 1634542752 is about 40429.4787500408. The cubic root of 1634542752 is about 1177.9642078631.

The spelling of 1634542752 in words is "one billion, six hundred thirty-four million, five hundred forty-two thousand, seven hundred fifty-two".