45256037632 has 72 divisors (see below), whose sum is σ = 97355781320. Its totient is φ = 20872028160.

The previous prime is 45256037581. The next prime is 45256037641. The reversal of 45256037632 is 23673065254.

It can be written as a sum of positive squares in 4 ways, for example, as 12166972416 + 33089065216 = 110304^2 + 181904^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5390494 + ... + 5398882.

Almost surely, 2^45256037632 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 45256037632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48677890660).

45256037632 is an abundant number, since it is smaller than the sum of its proper divisors (52099743688).

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

45256037632 is a wasteful number, since it uses less digits than its factorization.

45256037632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039 (or 10025 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 45256037632 in words is "forty-five billion, two hundred fifty-six million, thirty-seven thousand, six hundred thirty-two".