2503100040 has 128 divisors (see below), whose sum is σ = 8594104320. Its totient is φ = 571334400.

The previous prime is 2503100003. The next prime is 2503100087. The reversal of 2503100040 is 400013052.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2503099992 and 2503100019.

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, 763605 + ... + 766875.

It is an arithmetic number, because the mean of its divisors is an integer number (67141440).

Almost surely, 2^2503100040 is an apocalyptic number.

2503100040 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 2503100040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4297052160).

2503100040 is an abundant number, since it is smaller than the sum of its proper divisors (6091004280).

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

2503100040 is a wasteful number, since it uses less digits than its factorization.

2503100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2503100040 is about 50030.9907957058. The cubic root of 2503100040 is about 1357.7695634587.

Adding to 2503100040 its reverse (400013052), we get a palindrome (2903113092).

The spelling of 2503100040 in words is "two billion, five hundred three million, one hundred thousand, forty".