461440015566615 has 96 divisors (see below), whose sum is σ = 819878811373440. Its totient is φ = 239940262195200.

The previous prime is 461440015566571. The next prime is 461440015566653. The reversal of 461440015566615 is 516665510044164.

It is not a de Polignac number, because 461440015566615 - 2⁸ = 461440015566359 is a prime.

It is a super-2 number, since 2×461440015566615² (a number of 30 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 95 ways as a sum of consecutive naturals, for example, 27270248355 + ... + 27270265275.

It is an arithmetic number, because the mean of its divisors is an integer number (8540404285140).

Almost surely, 2^{461440015566615} is an apocalyptic number.

461440015566615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

461440015566615 is a deficient number, since it is larger than the sum of its proper divisors (358438795806825).

461440015566615 is a wasteful number, since it uses less digits than its factorization.

461440015566615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865 (or 25862 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 461440015566615 in words is "four hundred sixty-one trillion, four hundred forty billion, fifteen million, five hundred sixty-six thousand, six hundred fifteen".