45450512040 has 64 divisors (see below), whose sum is σ = 136952285760. Its totient is φ = 12066736640.

The previous prime is 45450511973. The next prime is 45450512069. The reversal of 45450512040 is 4021505454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45450511989 and 45450512007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807021 + ... + 861500.

It is an arithmetic number, because the mean of its divisors is an integer number (2139879465).

Almost surely, 2^45450512040 is an apocalyptic number.

45450512040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45450512040 is an abundant number, since it is smaller than the sum of its proper divisors (91501773720).

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

45450512040 is a wasteful number, since it uses less digits than its factorization.

45450512040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668762 (or 1668758 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 45450512040 in words is "forty-five billion, four hundred fifty million, five hundred twelve thousand, forty".