45277040 has 40 divisors (see below), whose sum is σ = 105930720. Its totient is φ = 17997056.

The previous prime is 45277021. The next prime is 45277093. The reversal of 45277040 is 4077254.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 45276994 and 45277012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11666 + ... + 15054.

It is an arithmetic number, because the mean of its divisors is an integer number (2648268).

Almost surely, 2^45277040 is an apocalyptic number.

45277040 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 45277040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52965360).

45277040 is an abundant number, since it is smaller than the sum of its proper divisors (60653680).

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

45277040 is a wasteful number, since it uses less digits than its factorization.

45277040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 45277040 is about 6728.8215907393. The cubic root of 45277040 is about 356.4177648334.

The spelling of 45277040 in words is "forty-five million, two hundred seventy-seven thousand, forty".