45166266040 has 128 divisors (see below), whose sum is σ = 120277301760. Its totient is φ = 14942882304.

The previous prime is 45166266023. The next prime is 45166266071. The reversal of 45166266040 is 4066266154.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 45166265984 and 45166266002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976722 + ... + 1021918.

It is an arithmetic number, because the mean of its divisors is an integer number (939666420).

Almost surely, 2^45166266040 is an apocalyptic number.

45166266040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45166266040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60138650880).

45166266040 is an abundant number, since it is smaller than the sum of its proper divisors (75111035720).

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

45166266040 is a wasteful number, since it uses less digits than its factorization.

45166266040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45341 (or 45337 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 45166266040 in words is "forty-five billion, one hundred sixty-six million, two hundred sixty-six thousand, forty".