45706240 has 88 divisors (see below), whose sum is σ = 112011840. Its totient is φ = 17891328.

The previous prime is 45706201. The next prime is 45706253. The reversal of 45706240 is 4260754.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45706199 and 45706208.

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, 404424 + ... + 404536.

Almost surely, 2^45706240 is an apocalyptic number.

45706240 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 45706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56005920).

45706240 is an abundant number, since it is smaller than the sum of its proper divisors (66305600).

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

45706240 is a wasteful number, since it uses less digits than its factorization.

45706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 45706240 is about 6760.6390230510. The cubic root of 45706240 is about 357.5404358716.

Adding to 45706240 its reverse (4260754), we get a palindrome (49966994).

The spelling of 45706240 in words is "forty-five million, seven hundred six thousand, two hundred forty".