45201780732 has 12 divisors (see below), whose sum is σ = 105470821736. Its totient is φ = 15067260240.

The previous prime is 45201780727. The next prime is 45201780749. The reversal of 45201780732 is 23708710254.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883407519 + ... + 1883407542.

Almost surely, 2^45201780732 is an apocalyptic number.

It is an amenable number.

45201780732 is an abundant number, since it is smaller than the sum of its proper divisors (60269041004).

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

45201780732 is a wasteful number, since it uses less digits than its factorization.

45201780732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766815068 (or 3766815066 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 45201780732 in words is "forty-five billion, two hundred one million, seven hundred eighty thousand, seven hundred thirty-two".