2729124678480 has 80 divisors (see below), whose sum is σ = 8468946684864. Its totient is φ = 727021619200.

The previous prime is 2729124678479. The next prime is 2729124678499. The reversal of 2729124678480 is 848764219272.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2729124678480² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5585046 + ... + 6054005.

Almost surely, 2^{2729124678480} is an apocalyptic number.

2729124678480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729124678480 is an abundant number, since it is smaller than the sum of its proper divisors (5739822006384).

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

2729124678480 is a wasteful number, since it uses less digits than its factorization.

2729124678480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640044 (or 11640038 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 2729124678480 in words is "two trillion, seven hundred twenty-nine billion, one hundred twenty-four million, six hundred seventy-eight thousand, four hundred eighty".