9940425480 has 96 divisors (see below), whose sum is σ = 32344004160. Its totient is φ = 2647693440.

The previous prime is 9940425457. The next prime is 9940425557. The reversal of 9940425480 is 845240499.

9940425480 is a `hidden beast` number, since 99 + 40 + 42 + 5 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 302245 + ... + 333515.

It is an arithmetic number, because the mean of its divisors is an integer number (336916710).

Almost surely, 2^9940425480 is an apocalyptic number.

9940425480 is a gapful number since it is divisible by the number (90) 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 9940425480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16172002080).

9940425480 is an abundant number, since it is smaller than the sum of its proper divisors (22403578680).

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

9940425480 is a wasteful number, since it uses less digits than its factorization.

9940425480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32171 (or 32164 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 9940425480 is about 99701.6824331465. The cubic root of 9940425480 is about 2150.1478521001.

The spelling of 9940425480 in words is "nine billion, nine hundred forty million, four hundred twenty-five thousand, four hundred eighty".