2519997480 has 1152 divisors, whose sum is σ = 11920970880. Its totient is φ = 470292480.

The previous prime is 2519997437. The next prime is 2519997481. The reversal of 2519997480 is 847999152.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2519997481) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 68108022 + ... + 68108058.

It is an arithmetic number, because the mean of its divisors is an integer number (10348065).

Almost surely, 2^2519997480 is an apocalyptic number.

2519997480 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 2519997480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5960485440).

2519997480 is an abundant number, since it is smaller than the sum of its proper divisors (9400973400).

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

2519997480 is a wasteful number, since it uses less digits than its factorization.

2519997480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 2519997480 is about 50199.5764922375. The cubic root of 2519997480 is about 1360.8179695844.

It can be divided in two parts, 2519 and 997480, that added together give a palindrome (999999).

The spelling of 2519997480 in words is "two billion, five hundred nineteen million, nine hundred ninety-seven thousand, four hundred eighty".