9214704540 has 36 divisors (see below), whose sum is σ = 27951270984. Its totient is φ = 2457254496.

The previous prime is 9214704539. The next prime is 9214704563. The reversal of 9214704540 is 454074129.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×9214704540² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9214704495 and 9214704504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25596222 + ... + 25596581.

It is an arithmetic number, because the mean of its divisors is an integer number (776424194).

Almost surely, 2^9214704540 is an apocalyptic number.

9214704540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9214704540 is an abundant number, since it is smaller than the sum of its proper divisors (18736566444).

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

9214704540 is a wasteful number, since it uses less digits than its factorization.

9214704540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51192818 (or 51192813 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 9214704540 is about 95993.2525753764. The cubic root of 9214704540 is about 2096.4948739106.

Adding to 9214704540 its reverse (454074129), we get a palindrome (9668778669).

The spelling of 9214704540 in words is "nine billion, two hundred fourteen million, seven hundred four thousand, five hundred forty".