9949612140 has 72 divisors (see below), whose sum is σ = 32502073968. Its totient is φ = 2449134720.

The previous prime is 9949612133. The next prime is 9949612163. The reversal of 9949612140 is 412169499.

9949612140 is a `hidden beast` number, since 9 + 9 + 496 + 12 + 140 = 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, 2123646 + ... + 2128325.

It is an arithmetic number, because the mean of its divisors is an integer number (451417694).

Almost surely, 2^9949612140 is an apocalyptic number.

9949612140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9949612140 is an abundant number, since it is smaller than the sum of its proper divisors (22552461828).

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

9949612140 is a wasteful number, since it uses less digits than its factorization.

9949612140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251999 (or 4251994 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9949612140 is about 99747.7425308463. The cubic root of 9949612140 is about 2150.8100167621.

The spelling of 9949612140 in words is "nine billion, nine hundred forty-nine million, six hundred twelve thousand, one hundred forty".