45377128456 has 64 divisors (see below), whose sum is σ = 93898284480. Its totient is φ = 20386222080.

The previous prime is 45377128417. The next prime is 45377128519. The reversal of 45377128456 is 65482177354.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7312251 + ... + 7318453.

It is an arithmetic number, because the mean of its divisors is an integer number (1467160695).

Almost surely, 2^45377128456 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 45377128456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46949142240).

45377128456 is an abundant number, since it is smaller than the sum of its proper divisors (48521156024).

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

45377128456 is a wasteful number, since it uses less digits than its factorization.

45377128456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7170 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 45377128456 in words is "forty-five billion, three hundred seventy-seven million, one hundred twenty-eight thousand, four hundred fifty-six".