45023663520 has 144 divisors (see below), whose sum is σ = 167610879072. Its totient is φ = 10914823680.

The previous prime is 45023663483. The next prime is 45023663569. The reversal of 45023663520 is 2536632054.

45023663520 is a `hidden beast` number, since 4 + 50 + 23 + 6 + 63 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1405362 + ... + 1437041.

It is an arithmetic number, because the mean of its divisors is an integer number (1163964438).

Almost surely, 2^45023663520 is an apocalyptic number.

45023663520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45023663520 is an abundant number, since it is smaller than the sum of its proper divisors (122587215552).

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

45023663520 is a wasteful number, since it uses less digits than its factorization.

45023663520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842435 (or 2842424 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 45023663520 in words is "forty-five billion, twenty-three million, six hundred sixty-three thousand, five hundred twenty".