616126040 has 16 divisors (see below), whose sum is σ = 1386283680. Its totient is φ = 246450400.

The previous prime is 616126033. The next prime is 616126051. The reversal of 616126040 is 40621616.

It is a happy number.

It is a super-2 number, since 2×616126040² = 759222594332163200, which 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 3 ways as a sum of consecutive naturals, for example, 7701536 + ... + 7701615.

It is an arithmetic number, because the mean of its divisors is an integer number (86642730).

Almost surely, 2^616126040 is an apocalyptic number.

It is an amenable number.

616126040 is an abundant number, since it is smaller than the sum of its proper divisors (770157640).

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

616126040 is a wasteful number, since it uses less digits than its factorization.

616126040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403162 (or 15403158 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 616126040 is about 24821.8863102706. The cubic root of 616126040 is about 850.9222009488.

Adding to 616126040 its reverse (40621616), we get a palindrome (656747656).

The spelling of 616126040 in words is "six hundred sixteen million, one hundred twenty-six thousand, forty".