2489982576840 has 896 divisors, whose sum is σ = 9333786297600. Its totient is φ = 592531200000.

The previous prime is 2489982576833. The next prime is 2489982576923. The reversal of 2489982576840 is 486752899842.

2489982576840 is a `hidden beast` number, since 2 + 4 + 8 + 9 + 9 + 8 + 2 + 576 + 8 + 40 = 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 223 ways as a sum of consecutive naturals, for example, 4891910506 + ... + 4891911014.

Almost surely, 2^{2489982576840} is an apocalyptic number.

2489982576840 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 2489982576840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4666893148800).

2489982576840 is an abundant number, since it is smaller than the sum of its proper divisors (6843803720760).

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

2489982576840 is a wasteful number, since it uses less digits than its factorization.

2489982576840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 2489982576840 in words is "two trillion, four hundred eighty-nine billion, nine hundred eighty-two million, five hundred seventy-six thousand, eight hundred forty".