40334425 has 12 divisors (see below), whose sum is σ = 50282496. Its totient is φ = 32094800.

The previous prime is 40334423. The next prime is 40334429. The reversal of 40334425 is 52443304.

It is not a de Polignac number, because 40334425 - 2¹ = 40334423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40334425.

It is not an unprimeable number, because it can be changed into a prime (40334423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552 + ... + 8998.

It is an arithmetic number, because the mean of its divisors is an integer number (4190208).

Almost surely, 2^40334425 is an apocalyptic number.

It is an amenable number.

40334425 is a deficient number, since it is larger than the sum of its proper divisors (9948071).

40334425 is a wasteful number, since it uses less digits than its factorization.

40334425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 40334425 is about 6350.9389069649. The cubic root of 40334425 is about 342.9456432831.

Adding to 40334425 its reverse (52443304), we get a palindrome (92777729).

The spelling of 40334425 in words is "forty million, three hundred thirty-four thousand, four hundred twenty-five".