45278085510 has 192 divisors, whose sum is σ = 139923044352. Its totient is φ = 10319654016.

The previous prime is 45278085353. The next prime is 45278085511. The reversal of 45278085510 is 1558087254.

45278085510 is a `hidden beast` number, since 4 + 52 + 7 + 8 + 0 + 85 + 510 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278085511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6239044 + ... + 6246296.

It is an arithmetic number, because the mean of its divisors is an integer number (728765856).

Almost surely, 2^45278085510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45278085510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69961522176).

45278085510 is an abundant number, since it is smaller than the sum of its proper divisors (94644958842).

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

45278085510 is a wasteful number, since it uses less digits than its factorization.

45278085510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 45278085510 in words is "forty-five billion, two hundred seventy-eight million, eighty-five thousand, five hundred ten".