7400040030 has 24 divisors (see below), whose sum is σ = 19240104312. Its totient is φ = 1973343984.

The previous prime is 7400040017. The next prime is 7400040049. The reversal of 7400040030 is 300400047.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7400039985 and 7400040012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41111244 + ... + 41111423.

It is an arithmetic number, because the mean of its divisors is an integer number (801671013).

Almost surely, 2^7400040030 is an apocalyptic number.

7400040030 is an abundant number, since it is smaller than the sum of its proper divisors (11840064282).

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

7400040030 is a wasteful number, since it uses less digits than its factorization.

7400040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82222680 (or 82222677 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7400040030 is about 86023.4853397606. The cubic root of 7400040030 is about 1948.6986741641.

Adding to 7400040030 its reverse (300400047), we get a palindrome (7700440077).

The spelling of 7400040030 in words is "seven billion, four hundred million, forty thousand, thirty".