2501117740 has 48 divisors (see below), whose sum is σ = 5741568000. Its totient is φ = 907634880.

The previous prime is 2501117701. The next prime is 2501117761. The reversal of 2501117740 is 477111052.

It is a junction number, because it is equal to n+sod(n) for n = 2501117699 and 2501117708.

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, 98389 + ... + 121171.

It is an arithmetic number, because the mean of its divisors is an integer number (119616000).

Almost surely, 2^2501117740 is an apocalyptic number.

2501117740 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 2501117740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2870784000).

2501117740 is an abundant number, since it is smaller than the sum of its proper divisors (3240450260).

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

2501117740 is a wasteful number, since it uses less digits than its factorization.

2501117740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23302 (or 23300 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 2501117740 is about 50011.1761509365. The cubic root of 2501117740 is about 1357.4110457037.

Adding to 2501117740 its reverse (477111052), we get a palindrome (2978228792).

The spelling of 2501117740 in words is "two billion, five hundred one million, one hundred seventeen thousand, seven hundred forty".