7423340940 has 72 divisors (see below), whose sum is σ = 22536547488. Its totient is φ = 1977880320.

The previous prime is 7423340933. The next prime is 7423340957. The reversal of 7423340940 is 490433247.

It is a super-2 number, since 2×7423340940² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7423340895 and 7423340904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203280 + ... + 237000.

It is an arithmetic number, because the mean of its divisors is an integer number (313007604).

Almost surely, 2^7423340940 is an apocalyptic number.

It is an amenable number.

7423340940 is an abundant number, since it is smaller than the sum of its proper divisors (15113206548).

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

7423340940 is a wasteful number, since it uses less digits than its factorization.

7423340940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34959 (or 34954 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 7423340940 is about 86158.8123177194. The cubic root of 7423340940 is about 1950.7418558005.

The spelling of 7423340940 in words is "seven billion, four hundred twenty-three million, three hundred forty thousand, nine hundred forty".