9390047450 has 48 divisors (see below), whose sum is σ = 19985310144. Its totient is φ = 3215452800.

The previous prime is 9390047449. The next prime is 9390047477. The reversal of 9390047450 is 547400939.

It is a super-2 number, since 2×9390047450² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9390047398 and 9390047407.

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, 273230 + ... + 305670.

It is an arithmetic number, because the mean of its divisors is an integer number (416360628).

Almost surely, 2^9390047450 is an apocalyptic number.

9390047450 is an abundant number, since it is smaller than the sum of its proper divisors (10595262694).

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

9390047450 is a wasteful number, since it uses less digits than its factorization.

9390047450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33287 (or 33282 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 9390047450 is about 96902.2571976525. The cubic root of 9390047450 is about 2109.7091945157.

The spelling of 9390047450 in words is "nine billion, three hundred ninety million, forty-seven thousand, four hundred fifty".