7400040025 has 36 divisors (see below), whose sum is σ = 10686929088. Its totient is φ = 5068254240.

The previous prime is 7400040017. The next prime is 7400040049. The reversal of 7400040025 is 5200400047.

It is not a de Polignac number, because 7400040025 - 2³ = 7400040017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7400039978 and 7400040005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1181452 + ... + 1187698.

Almost surely, 2^7400040025 is an apocalyptic number.

It is an amenable number.

7400040025 is a deficient number, since it is larger than the sum of its proper divisors (3286889063).

7400040025 is a wasteful number, since it uses less digits than its factorization.

7400040025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7226 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7400040025 is about 86023.4853106987. The cubic root of 7400040025 is about 1948.6986737253.

The spelling of 7400040025 in words is "seven billion, four hundred million, forty thousand, twenty-five".