40325620 has 12 divisors (see below), whose sum is σ = 84683844. Its totient is φ = 16130240.

The previous prime is 40325611. The next prime is 40325651. The reversal of 40325620 is 2652304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6290064 + 34035556 = 2508^2 + 5834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40325591 and 40325600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008121 + ... + 1008160.

It is an arithmetic number, because the mean of its divisors is an integer number (7056987).

Almost surely, 2^40325620 is an apocalyptic number.

It is an amenable number.

40325620 is an abundant number, since it is smaller than the sum of its proper divisors (44358224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40325620 is a wasteful number, since it uses less digits than its factorization.

40325620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016290 (or 2016288 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40325620 is about 6350.2456645393. The cubic root of 40325620 is about 342.9206864697.

Adding to 40325620 its reverse (2652304), we get a palindrome (42977924).

The spelling of 40325620 in words is "forty million, three hundred twenty-five thousand, six hundred twenty".