40325564 has 24 divisors (see below), whose sum is σ = 74980080. Its totient is φ = 18910976.

The previous prime is 40325561. The next prime is 40325587. The reversal of 40325564 is 46552304.

It is a super-2 number, since 2×40325564² = 3252302223836192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40325561) 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, 22742 + ... + 24450.

It is an arithmetic number, because the mean of its divisors is an integer number (3124170).

Almost surely, 2^40325564 is an apocalyptic number.

It is an amenable number.

40325564 is a deficient number, since it is larger than the sum of its proper divisors (34654516).

40325564 is a wasteful number, since it uses less digits than its factorization.

40325564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 40325564 is about 6350.2412552595. The cubic root of 40325564 is about 342.9205277322.

Adding to 40325564 its reverse (46552304), we get a palindrome (86877868).

The spelling of 40325564 in words is "forty million, three hundred twenty-five thousand, five hundred sixty-four".