2499777870336 has 320 divisors, whose sum is σ = 7450970250240. Its totient is φ = 827487682560.

The previous prime is 2499777870329. The next prime is 2499777870367. The reversal of 2499777870336 is 6330787779942.

It is a happy number.

2499777870336 is a `hidden beast` number, since 2 + 4 + 99 + 77 + 78 + 70 + 336 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371243121 + ... + 1371244943.

It is an arithmetic number, because the mean of its divisors is an integer number (23284282032).

Almost surely, 2^{2499777870336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499777870336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725485125120).

2499777870336 is an abundant number, since it is smaller than the sum of its proper divisors (4951192379904).

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

2499777870336 is a wasteful number, since it uses less digits than its factorization.

2499777870336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 672126336, while the sum is 72.

The spelling of 2499777870336 in words is "two trillion, four hundred ninety-nine billion, seven hundred seventy-seven million, eight hundred seventy thousand, three hundred thirty-six".