40725270 has 48 divisors (see below), whose sum is σ = 106900560. Its totient is φ = 10756032.

The previous prime is 40725263. The next prime is 40725299. The reversal of 40725270 is 7252704.

40725270 is a `hidden beast` number, since 407 + 252 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7516 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (2227095).

Almost surely, 2^40725270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40725270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53450280).

40725270 is an abundant number, since it is smaller than the sum of its proper divisors (66175290).

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

40725270 is a wasteful number, since it uses less digits than its factorization.

40725270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 40725270 is about 6381.6353703420. The cubic root of 40725270 is about 344.0498113826.

Adding to 40725270 its reverse (7252704), we get a palindrome (47977974).

The spelling of 40725270 in words is "forty million, seven hundred twenty-five thousand, two hundred seventy".