40025361 has 16 divisors (see below), whose sum is σ = 56640384. Its totient is φ = 25054464.

The previous prime is 40025353. The next prime is 40025399. The reversal of 40025361 is 16352004.

It is a happy number.

It is not a de Polignac number, because 40025361 - 2³ = 40025353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40025311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32391 + ... + 33603.

It is an arithmetic number, because the mean of its divisors is an integer number (3540024).

Almost surely, 2^40025361 is an apocalyptic number.

It is an amenable number.

40025361 is a deficient number, since it is larger than the sum of its proper divisors (16615023).

40025361 is a wasteful number, since it uses less digits than its factorization.

40025361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40025361 is about 6326.5599657318. The cubic root of 40025361 is about 342.0674518987.

Adding to 40025361 its reverse (16352004), we get a palindrome (56377365).

The spelling of 40025361 in words is "forty million, twenty-five thousand, three hundred sixty-one".