2825040040 has 16 divisors (see below), whose sum is σ = 6356340180. Its totient is φ = 1130016000.

The previous prime is 2825039953. The next prime is 2825040077. The reversal of 2825040040 is 400405282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2575968516 + 249071524 = 50754^2 + 15782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2825039987 and 2825040014.

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, 35312961 + ... + 35313040.

Almost surely, 2^2825040040 is an apocalyptic number.

2825040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2825040040 is an abundant number, since it is smaller than the sum of its proper divisors (3531300140).

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

2825040040 is a wasteful number, since it uses less digits than its factorization.

2825040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70626012 (or 70626008 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2825040040 is about 53151.1057269743. The cubic root of 2825040040 is about 1413.6488227606.

The spelling of 2825040040 in words is "two billion, eight hundred twenty-five million, forty thousand, forty".