6615040455 has 24 divisors (see below), whose sum is σ = 11468302560. Its totient is φ = 3527334720.

The previous prime is 6615040403. The next prime is 6615040483. The reversal of 6615040455 is 5540405166.

It is not a de Polignac number, because 6615040455 - 2⁸ = 6615040199 is a prime.

It is a congruent number.

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, 290950 + ... + 312860.

It is an arithmetic number, because the mean of its divisors is an integer number (477845940).

Almost surely, 2^6615040455 is an apocalyptic number.

6615040455 is a deficient number, since it is larger than the sum of its proper divisors (4853262105).

6615040455 is a wasteful number, since it uses less digits than its factorization.

6615040455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28631 (or 28628 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 6615040455 is about 81332.8989708347. The cubic root of 6615040455 is about 1877.2012504535.

The spelling of 6615040455 in words is "six billion, six hundred fifteen million, forty thousand, four hundred fifty-five".