40425765 has 8 divisors (see below), whose sum is σ = 64681248. Its totient is φ = 21560400.

The previous prime is 40425761. The next prime is 40425769. The reversal of 40425765 is 56752404.

It is an interprime number because it is at equal distance from previous prime (40425761) and next prime (40425769).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40425765 - 2² = 40425761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347511 + ... + 1347540.

It is an arithmetic number, because the mean of its divisors is an integer number (8085156).

Almost surely, 2^40425765 is an apocalyptic number.

It is an amenable number.

40425765 is a deficient number, since it is larger than the sum of its proper divisors (24255483).

40425765 is a wasteful number, since it uses less digits than its factorization.

40425765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695059.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 40425765 is about 6358.1259031259. The cubic root of 40425765 is about 343.2043225557.

The spelling of 40425765 in words is "forty million, four hundred twenty-five thousand, seven hundred sixty-five".