40045710 has 64 divisors (see below), whose sum is σ = 102503232. Its totient is φ = 9977856.

The previous prime is 40045703. The next prime is 40045741. The reversal of 40045710 is 1754004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118662 + ... + 118998.

It is an arithmetic number, because the mean of its divisors is an integer number (1601613).

Almost surely, 2^40045710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40045710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51251616).

40045710 is an abundant number, since it is smaller than the sum of its proper divisors (62457522).

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

40045710 is a wasteful number, since it uses less digits than its factorization.

40045710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40045710 is about 6328.1679813355. The cubic root of 40045710 is about 342.1254114117.

Adding to 40045710 its reverse (1754004), we get a palindrome (41799714).

It can be divided in two parts, 40045 and 710, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40045710 in words is "forty million, forty-five thousand, seven hundred ten".