7109404542 has 12 divisors (see below), whose sum is σ = 15403709880. Its totient is φ = 2369801508.

The previous prime is 7109404541. The next prime is 7109404543. The reversal of 7109404542 is 2454049017.

It is a happy number.

7109404542 is a `hidden beast` number, since 7 + 109 + 4 + 0 + 4 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (7109404541) and next prime (7109404543).

It is a junction number, because it is equal to n+sod(n) for n = 7109404497 and 7109404506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7109404541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197483442 + ... + 197483477.

It is an arithmetic number, because the mean of its divisors is an integer number (1283642490).

Almost surely, 2^7109404542 is an apocalyptic number.

7109404542 is an abundant number, since it is smaller than the sum of its proper divisors (8294305338).

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

7109404542 is a wasteful number, since it uses less digits than its factorization.

7109404542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394966927 (or 394966924 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7109404542 is about 84317.2849539168. The cubic root of 7109404542 is about 1922.8455836087.

The spelling of 7109404542 in words is "seven billion, one hundred nine million, four hundred four thousand, five hundred forty-two".