7448229040 has 160 divisors (see below), whose sum is σ = 21039796224. Its totient is φ = 2393763840.

The previous prime is 7448229037. The next prime is 7448229049. The reversal of 7448229040 is 409228447.

It is a super-2 number, since 2×7448229040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7448228984 and 7448229002.

It is not an unprimeable number, because it can be changed into a prime (7448229049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2578477 + ... + 2581363.

Almost surely, 2^7448229040 is an apocalyptic number.

7448229040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7448229040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10519898112).

7448229040 is an abundant number, since it is smaller than the sum of its proper divisors (13591567184).

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

7448229040 is a wasteful number, since it uses less digits than its factorization.

7448229040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 7448229040 is about 86303.1230025890. The cubic root of 7448229040 is about 1952.9194961987.

The spelling of 7448229040 in words is "seven billion, four hundred forty-eight million, two hundred twenty-nine thousand, forty".