7239412040 has 64 divisors (see below), whose sum is σ = 18966908160. Its totient is φ = 2435247360.

The previous prime is 7239412031. The next prime is 7239412043. The reversal of 7239412040 is 402149327.

It is a junction number, because it is equal to n+sod(n) for n = 7239411988 and 7239412006.

It is not an unprimeable number, because it can be changed into a prime (7239412043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229076 + ... + 258755.

It is an arithmetic number, because the mean of its divisors is an integer number (296357940).

Almost surely, 2^7239412040 is an apocalyptic number.

7239412040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7239412040 is an abundant number, since it is smaller than the sum of its proper divisors (11727496120).

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

7239412040 is a wasteful number, since it uses less digits than its factorization.

7239412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487902 (or 487898 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7239412040 is about 85084.7344709966. The cubic root of 7239412040 is about 1934.4956845737.

The spelling of 7239412040 in words is "seven billion, two hundred thirty-nine million, four hundred twelve thousand, forty".