7042049940 has 48 divisors (see below), whose sum is σ = 19721560320. Its totient is φ = 1877516160.

The previous prime is 7042049939. The next prime is 7042049977. The reversal of 7042049940 is 499402407.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467730 + ... + 482550.

It is an arithmetic number, because the mean of its divisors is an integer number (410865840).

Almost surely, 2^7042049940 is an apocalyptic number.

It is an amenable number.

7042049940 is an abundant number, since it is smaller than the sum of its proper divisors (12679510380).

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

7042049940 is a wasteful number, since it uses less digits than its factorization.

7042049940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752 (or 22750 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 7042049940 is about 83916.9228463485. The cubic root of 7042049940 is about 1916.7539498332.

The spelling of 7042049940 in words is "seven billion, forty-two million, forty-nine thousand, nine hundred forty".