40553425 has 48 divisors (see below), whose sum is σ = 58281984. Its totient is φ = 27720000.

The previous prime is 40553423. The next prime is 40553437. The reversal of 40553425 is 52435504.

It is not a de Polignac number, because 40553425 - 2¹ = 40553423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40553393 and 40553402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 571140 + ... + 571210.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^40553425 is an apocalyptic number.

It is an amenable number.

40553425 is a deficient number, since it is larger than the sum of its proper divisors (17728559).

40553425 is a wasteful number, since it uses less digits than its factorization.

40553425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 40553425 is about 6368.1571117553. The cubic root of 40553425 is about 343.5652097707.

Adding to 40553425 its reverse (52435504), we get a palindrome (92988929).

The spelling of 40553425 in words is "forty million, five hundred fifty-three thousand, four hundred twenty-five".