9949156404 has 48 divisors (see below), whose sum is σ = 25453745856. Its totient is φ = 2999584000.

The previous prime is 9949156397. The next prime is 9949156423. The reversal of 9949156404 is 4046519499.

It is a super-2 number, since 2×9949156404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165297 + ... + 217304.

It is an arithmetic number, because the mean of its divisors is an integer number (530286372).

Almost surely, 2^9949156404 is an apocalyptic number.

It is an amenable number.

9949156404 is an abundant number, since it is smaller than the sum of its proper divisors (15504589452).

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

9949156404 is a wasteful number, since it uses less digits than its factorization.

9949156404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382816 (or 382814 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 9949156404 is about 99745.4580620090. The cubic root of 9949156404 is about 2150.7771774076. Note that the first 3 decimals are identical.

The spelling of 9949156404 in words is "nine billion, nine hundred forty-nine million, one hundred fifty-six thousand, four hundred four".