2499029729280 has 1792 divisors, whose sum is σ = 10658507544000. Its totient is φ = 561842749440.

The previous prime is 2499029729237. The next prime is 2499029729303. The reversal of 2499029729280 is 829279209942.

It is a happy number.

2499029729280 is a `hidden beast` number, since 2 + 49 + 9 + 0 + 297 + 29 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (1792).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 40967700450 + ... + 40967700510.

Almost surely, 2^{2499029729280} is an apocalyptic number.

2499029729280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499029729280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5329253772000).

2499029729280 is an abundant number, since it is smaller than the sum of its proper divisors (8159477814720).

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

2499029729280 is an frugal number, since it uses more digits than its factorization.

2499029729280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 2499029729280 in words is "two trillion, four hundred ninety-nine billion, twenty-nine million, seven hundred twenty-nine thousand, two hundred eighty".